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• Linker errors between multiple projects in Visual C++

  - by rlbond

  Hi, I have a solution with multiple projects. I have a "main" project, which acts as a menu and from there, the user can access any of the other projects. On this main project, I get linker errors for every function called. How do I avoid these linker errors? I set the project dependencies already in the "Project Dependencies..." dialog. Thanks EDIT -- I did as suggested and added the output folder to the linker's additional directories. Now, however, I get a million errors as follows: 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: void __thiscall std::basic_ios ::setstate(int,bool)" (?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: int __thiscall std::ios_base::width(int)" (?width@ios_base@std@@QAEHH@Z) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: int __thiscall std::basic_streambuf ::sputn(char const *,int)" (?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHPBDH@Z) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: static bool __cdecl std::char_traits::eq_int_type(int const &,int const &)" (?eq_int_type@?$char_traits@D@std@@SA_NABH0@Z) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: static int __cdecl std::char_traits::eof(void)" (?eof@?$char_traits@D@std@@SAHXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: int __thiscall std::basic_streambuf ::sputc(char)" (?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: class std::basic_streambuf * __thiscall std::basic_ios ::rdbuf(void)const " (?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEPAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: char __thiscall std::basic_ios ::fill(void)const " (?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: int __thiscall std::ios_base::flags(void)const " (?flags@ios_base@std@@QBEHXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: int __thiscall std::ios_base::width(void)const " (?width@ios_base@std@@QBEHXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: static unsigned int __cdecl std::char_traits::length(char const *)" (?length@?$char_traits@D@std@@SAIPBD@Z) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: class std::basic_ostream & __thiscall std::basic_ostream ::flush(void)" (?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: class std::basic_ostream * __thiscall std::basic_ios ::tie(void)const " (?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEPAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: bool __thiscall std::ios_base::good(void)const " (?good@ios_base@std@@QBE_NXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: void __thiscall std::basic_ostream ::_Osfx(void)" (?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: void __thiscall std::basic_streambuf ::_Lock(void)" (?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEXXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: void __thiscall std::basic_streambuf ::_Unlock(void)" (?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEXXZ) already defined in panels.lib(panel_main.obj) 3msvcprtd.lib(MSVCP90D.dll) : error LNK2005: "public: class std::locale::facet * __thiscall std::locale::facet::_Decref(void)" (?_Decref@facet@locale@std@@QAEPAV123@XZ) already defined in panels.lib(panel_main.obj) 3libcpmtd.lib(ios.obj) : error LNK2005: "private: static void __cdecl std::ios_base::_Ios_base_dtor(class std::ios_base *)" (?_Ios_base_dtor@ios_base@std@@CAXPAV12@@Z) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(ios.obj) : error LNK2005: "public: static void __cdecl std::ios_base::_Addstd(class std::ios_base *)" (?_Addstd@ios_base@std@@SAXPAV12@@Z) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(locale0.obj) : error LNK2005: "void __cdecl _AtModuleExit(void (__cdecl*)(void))" (?_AtModuleExit@@YAXP6AXXZ@Z) already defined in msvcprtd.lib(locale0_implib.obj) 3libcpmtd.lib(locale0.obj) : error LNK2005: __Fac_tidy already defined in msvcprtd.lib(locale0_implib.obj) 3libcpmtd.lib(locale0.obj) : error LNK2005: "private: static void __cdecl std::locale::facet::facet_Register(class std::locale::facet *)" (?facet_Register@facet@locale@std@@CAXPAV123@@Z) already defined in msvcprtd.lib(locale0_implib.obj) 3libcpmtd.lib(locale0.obj) : error LNK2005: "private: static class std::locale::_Locimp * __cdecl std::locale::_Getgloballocale(void)" (?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(locale0.obj) : error LNK2005: "private: static class std::locale::_Locimp * __cdecl std::locale::_Init(void)" (?_Init@locale@std@@CAPAV_Locimp@12@XZ) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(locale0.obj) : error LNK2005: "public: static void __cdecl std::_Locinfo::_Locinfo_ctor(class std::_Locinfo *,class std::basic_string,class std::allocator const &)" (?_Locinfo_ctor@_Locinfo@std@@SAXPAV12@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(locale0.obj) : error LNK2005: "public: static void __cdecl std::_Locinfo::_Locinfo_dtor(class std::_Locinfo *)" (?_Locinfo_dtor@_Locinfo@std@@SAXPAV12@@Z) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(xlock.obj) : error LNK2005: "public: __thiscall std::_Lockit::_Lockit(int)" (??0_Lockit@std@@QAE@H@Z) already defined in msvcprtd.lib(MSVCP90D.dll) 3libcpmtd.lib(xlock.obj) : error LNK2005: "public: __thiscall std::_Lockit::~_Lockit(void)" (??1_Lockit@std@@QAE@XZ) already defined in msvcprtd.lib(MSVCP90D.dll)

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• Adding additional js files breaks jQuery IntelliSense

  - by Brian David Berman

  I have been using jQuery IntelliSense in VS2008 and it has been great. Recently I added a reference to jQuery UI and since then, the jQuery IntelliSense has went away. I found that once you reference another .js file in your document, the IntelliSense goes away. Any way to avoid this?

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• Using Dynamics AX's Business Conectors to Generate Sales Orders

  - by FelipeFiali

  So, just like the title says, I need to create an application that gets data from another Database, and shoves it through Dynamics AX's throat. This data comes from a portal, not Enterprise Portal, but a PHP one. It stores some data from the order in a separate database. So as said, I need to 'import' that to AX, creating the sales orders with the data I have from the other database. Also I'd like some references on Business Conector too, does it handle all those RECIDS and references that AX uses for me? Thanks in advance. EDIT: OK, I'm able to insert records in AX's database, theres just one problem. I can't generate the internal ID. Like, the 'AccountNum' field for the CustTable. Is there a way to capture it from business connector?

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• Locating binding errors

  - by softengine

  I'm dealing with a large WPF application that is outputting a large number of binding errors. A typical error looks like this: System.Windows.Data Error: 4 : Cannot find source for binding with reference 'RelativeSource FindAncestor, AncestorType='System.Windows.Controls.ItemsControl', AncestorLevel='1''. BindingExpression:Path=HorizontalContentAlignment; DataItem=null; target element is 'MenuItem' (Name=''); target property is 'HorizontalContentAlignment' (type 'HorizontalAlignment') Problem is I don't know where in the app this is coming from. Searching the entire solution for AncestorType={x:Type ItemsControl} doesn't necessary help since I still don't know which result is the culprit. I've tried setting PresentationTraceSources.DataBindingSource.Switch.Level = SourceLevels.All; but the extra information doesn't help locate the problematic bindings. File names and line numbers is really what I need. Is there anyway to get this information?

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• how to get value of a #t=querystring in asp.net c#?

  - by korben

  I use Request.QueryString["var"] to pull the value of http://test.com/test.aspx?var=test into a string the same thing doesn't work for test.aspx#var=test how can I get it from that version of a querystring? thanks for any help

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• Intellisense in App_Code in VS2010

  - by nikok

  Hi, I've just upgrade my web application from vs2008 to vs2010, I create a new web app from vs2010, then copy across all the existing files from vs2008, then I add a new class file to App_Code folder, the intellisense is not showing up for everything and class etc is also not color in the right color. However, when I open the existing class I created earlier from vs2008, intellisense just working fine and all classes are in different color as well, if I make a copy of existing class, the copied class does not support the intellisense as well. However, if I shut my VS, and reopen it, they all appear to be support with intellisense for existing class, but once I created a new class, intellisense is not support. Can you tell me what's wrong here? Thanks

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• How to list all attached USB devices in Visual C++

  - by vinzenzweber

  In Short: I need to detect hotplug events of my USB CDC device by PID/VID and get the corresponding virtual COM port which was created by Windows in Visual C++ and in the end create a dll. I have a USB CDC device which I need to be notified of when connected/disconnected on Windows. My approach is to use RegisterDeviceNotification and an "invisible" Window to receive WM_DEVICECHANGE notifications. This part is working so far. Now as far as I found out I need to get the list of USB devices that is plugged, iterate over it and filter out the devices with my PID/VID? I assume that I am then able to get more informations about the device including the COM port? Is the only way to achieve my goal to use SetupDi calls in setupapi.h? Is using WDK / DDK the only way to achieve my goal? As soon as that is working I open-source it on http://github.com/vinzenzweber/USBEventHandler. The Mac version is available already!

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• ajax tabcontainer with button postback problem

  - by yousof

  I have a dropdownlist in my web page and two command buttons and a tabcontainer. The tabcontainer does not appear after the load of page according to my code. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not IsPostBack Then TabContainer1.Visible = False If CtvAct.GetRecords("Fill_RequestTypeTb") = True Then ReqTypeCmbo.DataSource = CtvAct.MainDataset.Tables("tbOLRequestType").DefaultView ReqTypeCmbo.DataTextField = "RequestTypeName" ReqTypeCmbo.DataValueField = "RequestTypeId" ReqTypeCmbo.DataBind() Dim itm As New ListItem itm.Text = "-- ??? ??? ????? --" itm.Value = "-1" itm.Selected = True ReqTypeCmbo.Items.Insert(0, itm) ReqTypeCmbo.SelectedIndex = 0 End If End If End Sub Protected Sub PrntCmd_Click(ByVal sender As Object, ByVal e As EventArgs) Handles PrntCmd.Click TextBox6.Text = "gggg" End Sub Protected Sub ReqTypeCmbo_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles ReqTypeCmbo.SelectedIndexChanged If ReqTypeCmbo.SelectedItem.Text = "????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 0 OwnerDataPnl.Enabled = True AttornyDataPnl.Enabled = True BaseDataPnl.Enabled = True RenwDataPnl.Visible = False NewOwnerDataPnl0.Visible = False AddActivtyPnl.Visible = False SubstitPnl.Visible = False FinishLicePnl.Visible = False CancelActivityPnl.Visible = False LocTransPnl.Visible = False ' Panel1.Visible = False '?????? ?????? ??????? ???????? REstOfficeAddrTxt.Enabled = True REstOffIdeIssuedPlaceTxt.Enabled = True REstOffIdentityNameTxt.Enabled = True REstOffIdentityNumberTxt.Enabled = True REstOffIdentityStartDateTxt.Enabled = True REstOffMobileTxt.Enabled = True REstOffNameTxt.Enabled = True REstOffPhoneTxt.Enabled = True OwnerShipNumberTxt.Enabled = True OwnerShipDateTxt.Enabled = True OwnerShipIssuedPlaceTxt.Enabled = True SerailTxt.Enabled = True RequestIdTxt.Enabled = True RequestDateTxt.Enabled = True RenwDataPnl.Visible = True '''' If CtvAct.GetRecords("Fill_NationalityTb") = True Then OwnrNationCmbo.DataSource = CtvAct.MainDataset.Tables("tbOLNationality").DefaultView OwnrNationCmbo.DataTextField = "NationName" OwnrNationCmbo.DataValueField = "NationId" OwnrNationCmbo.DataBind() Dim itm As New ListItem itm.Text = "-- ??? ??????? --" itm.Value = "-1" itm.Selected = True OwnrNationCmbo.Items.Insert(0, itm) OwnrNationCmbo.SelectedIndex = 0 End If If CtvAct.GetRecords("Fill_ActivityTb") = True Then AcivityCombo.DataSource = CtvAct.MainDataset.Tables("tbOLActivity").DefaultView AcivityCombo.DataTextField = "ActivityName" AcivityCombo.DataValueField = "ActivityId" AcivityCombo.DataBind() AcivityCombo.SelectedIndex = -1 Dim itm As New ListItem itm.Text = "-- ??? ?????? --" itm.Value = "-1" itm.Selected = True AcivityCombo.Items.Insert(0, itm) AcivityCombo.SelectedIndex = 0 End If 'If CtvAct.GetRecords("Fill_ActivityTb") = True Then ' DropDownList2.DataSource = CtvAct.MainDataset.Tables("tbOLActivity").DefaultView ' DropDownList2.DataTextField = "ActivityName" ' DropDownList2.DataValueField = "ActivityId" ' DropDownList2.DataBind() 'AcivityCombo.Visible = True ' LbCon.Text = CtvAct.Prt 'End If AttronayNationCmbo.SelectedIndex = -1 If CtvAct.GetRecords("Fill_NationalityTb") = True Then AttronayNationCmbo.DataSource = CtvAct.MainDataset.Tables("tbOLNationality").DefaultView AttronayNationCmbo.DataTextField = "NationName" AttronayNationCmbo.DataValueField = "NationId" AttronayNationCmbo.DataBind() Dim itm As New ListItem itm.Text = "-- ??? ??????? --" itm.Value = "-1" itm.Selected = True AttronayNationCmbo.Items.Insert(0, itm) AttronayNationCmbo.SelectedIndex = 0 ' LbCon.Text = CtvAct.Prt End If If CtvAct.GetRecords("Fill_LocationTb") = True Then LocationIdCmbo.DataSource = CtvAct.MainDataset.Tables("tbOLLocation").DefaultView LocationIdCmbo.DataTextField = "LocationName" LocationIdCmbo.DataValueField = "LocationId" LocationIdCmbo.DataBind() Dim itm As New ListItem itm.Text = "-- ??? ?????? --" itm.Value = "-1" itm.Selected = True LocationIdCmbo.Items.Insert(0, itm) LocationIdCmbo.SelectedIndex = 0 ' LbCon.Text = CtvAct.Prt End If '''''''''''''''''''''''''''''''' con = New SqlConnection(CtvAct.Connection_String()) CmdActivty = con.CreateCommand CmdActivty.CommandText = "SELECT ActivityId FROM tbOLStoreActivty" DaActivity.SelectCommand = CmdActivty DaActivity.Fill(DsActivity, "tbOLStoreActivty") ActivityGV.DataSource = DaActivity ActivityGV.DataMember = "tbOLStoreActivty" AcivityCombo.DataSource = ds.Tables(0) AcivityCombo.DataTextField = "ename" AcivityCombo.DataValueField = "eid" AcivityCombo.DataBind() ''''''''''''''''''''''''''''' LbCon.Text = CtvAct.Prt ElseIf ReqTypeCmbo.SelectedItem.Text = "?????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 1 OwnerDataPnl.Enabled = False AttornyDataPnl.Enabled = False BaseDataPnl.Enabled = True AddActivtyPnl.Visible = False SubstitPnl.Visible = False FinishLicePnl.Visible = False RenwDataPnl.Visible = True AddActivtyPnl.Visible = False NewOwnerDataPnl0.Visible = False CancelActivityPnl.Visible = False LocTransPnl.Visible = False '?????? ?????? ??????? ???????? REstOfficeAddrTxt.Enabled = False REstOffIdeIssuedPlaceTxt.Enabled = False REstOffIdentityNameTxt.Enabled = False REstOffIdentityNumberTxt.Enabled = False REstOffIdentityStartDateTxt.Enabled = False REstOffMobileTxt.Enabled = False REstOffNameTxt.Enabled = False REstOffPhoneTxt.Enabled = False OwnerShipNumberTxt.Enabled = False OwnerShipDateTxt.Enabled = False OwnerShipIssuedPlaceTxt.Enabled = False SerailTxt.Enabled = True RequestIdTxt.Enabled = True RequestDateTxt.Enabled = True ''''''''' ElseIf ReqTypeCmbo.SelectedItem.Text = "??? ?????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 1 OwnerDataPnl.Enabled = False AttornyDataPnl.Enabled = False BaseDataPnl.Enabled = False RenwDataPnl.Visible = False NewOwnerDataPnl0.Visible = True AddActivtyPnl.Visible = False SubstitPnl.Visible = False FinishLicePnl.Visible = False CancelActivityPnl.Visible = False LocTransPnl.Visible = False ElseIf ReqTypeCmbo.SelectedItem.Text = "????? ????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 1 OwnerDataPnl.Enabled = False AttornyDataPnl.Enabled = False BaseDataPnl.Enabled = False RenwDataPnl.Visible = False NewOwnerDataPnl0.Visible = False AddActivtyPnl.Visible = False SubstitPnl.Visible = False FinishLicePnl.Visible = False CancelActivityPnl.Visible = True LocTransPnl.Visible = False ElseIf ReqTypeCmbo.SelectedItem.Text = "????? ????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 1 OwnerDataPnl.Enabled = False AttornyDataPnl.Enabled = False BaseDataPnl.Enabled = False RenwDataPnl.Visible = False NewOwnerDataPnl0.Visible = False AddActivtyPnl.Visible = False SubstitPnl.Visible = False FinishLicePnl.Visible = True LocTransPnl.Visible = False ElseIf ReqTypeCmbo.SelectedItem.Text = "??? ???? / ????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 1 OwnerDataPnl.Enabled = False AttornyDataPnl.Enabled = False BaseDataPnl.Enabled = False RenwDataPnl.Visible = False NewOwnerDataPnl0.Visible = False AddActivtyPnl.Visible = False SubstitPnl.Visible = True FinishLicePnl.Visible = False LocTransPnl.Visible = False ElseIf ReqTypeCmbo.SelectedItem.Text = "??? ????" Then TabContainer1.Visible = True TabContainer1.ActiveTabIndex = 0 OwnerDataPnl.Enabled = True AttornyDataPnl.Enabled = True BaseDataPnl.Enabled = True RenwDataPnl.Visible = False NewOwnerDataPnl0.Visible = False AddActivtyPnl.Visible = False SubstitPnl.Visible = False FinishLicePnl.Visible = False CancelActivityPnl.Visible = False LocTransPnl.Visible = True End If End Sub If I press any button after page load the button work very selecting any item from dropdownlist make the tabcontainer appear but after the tabcontainer appear, the buttons does not work (postback) how can I solve these problems

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• Intellisense in header files

  - by David

  I just right now "migrated" from C# to C++/CLR. First I was annoyed, that I had to write all class' declarations twice (into .h and .cpp). Then I figured out, that I could place the code also into the h-files - it compiles at least. Well, I deleted all cpp's of my classes and now I realized, VS won't give me any Intellisense when I work on my h-files. I guess I should not place my code in the hfiles (the code won't be reused in other projects for sure), but I find it terrible to adjust all method declarations at two places... Plus I have to switch back and forth to see what modifier my method etc. and it is not nicely all in one place like in C# (with it's pros and cons). I'm sorry this is a newbie question, but I just wanted to make sure that there isn't any possibility to enable intellisense for hfiles. Or at least to learn, that I am completely on the wrong path... Thanks, David

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• “Could not create the file”, “Access is denied” and “Unrecoverable build error” in building setup project in VS 2008

  - by Mister Cook

  When building a setup project I get a message: Error with setup build: Error 27 Could not create the file 'C:\Users\MyName\AppData\Local\Temp\VSI1E1A.tmp' 'Access is denied.' I have tried the following (from http://support.microsoft.com/kb/329214/EN-US) regsvr32 "C:\Program Files (x86)\Common Files\Microsoft Shared\MSI Tools\mergemod.dll" The DLL registers but this does not fix my problem. Also, I tried a Clean build, deleting the temp folder, ran VS2008 as administratror, restart my PC but it occurs every time. I have no anti-virus software running and running on Windows 7 64-bit. This operation worked fine until recently. I have read many other users see this but found no solution. The only half solution I found was to edit setup properties and switch to Package files as Loose uncompressed files. This works but is not ideal as I need a full installer.

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• Over-enthusiastic Intellisense in VS2010 - can I tweak it?

  - by CJM

  Since I have upgraded from VS2008 to VS2010, I've been having an increasingly infuriating battle with the Intellisense. For example, when specifying CSS styles, when I press Enter to start an new line, Intellisense (appropriately) lists available Styles to me. And if I select color and then type ':', it presents a list of color presets - often helpful. However, if I type in a space (I like them for readability) or if I type '#' to enter RGB values, it selected the default Intellisense selection, in this case inherits. Another example is in an ASP.NET page - say I am concatenating strings, I type myString =, I get an Intellisense pop-up. If I type space or '"' (to enter a literal) or '.' (so select a property or method within a WITH block), the Intellisense selects the first entry in the list. I can dismiss the Intellisense pop-ups with escape but it makes it incredibly slow to code. This behaviour is different to my VS2008 set-up. I can't seem to find any way to configure Intellisense to behave differently... I really only want it to select and Intellisense entry when I type or ... at least, certainly not when I type '"' or ' ' or '.'!

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• How to use CWnd::CreateEx

  - by chitra

  I was using CreateEx( 0, className, "XXX", WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, rect, parent, 0); in Visual C++ 6.0. when i port the same to VS 2008.., its giving an error message saying that.. error C2664: 'BOOL CWnd::CreateEx(DWORD,LPCTSTR,LPCTSTR,DWORD,const RECT &,CWnd *,UINT,LPVOID)' : cannot convert parameter 3 from 'const char [7]' to 'LPCTSTR' how to rectify the same thanks Chitra

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• Redirecting from ASP.NET WebForms to MVC

  - by Paul Gordon

  Hi there, We have a large existing ASP.NET WebForms application, but we are now moving over to MVC. Rather than go through a painful process of trying to integrate MVC into the existing app, we're looking at creating a brand new VS project to completely isolate the new code. As a first step, we are wanting to use the existing login process of the WebForms app, then redirect over to the MVC app. Does anyone know of an easy way to do this (i.e. redirect from a WebForms project to the MVC project, in the same VS solution)? All the information I've found so far suggests either starting from scratch in MVC, or combing MVC into the existing Webforms project - neither of which is very feasible. Many thanks, Paul

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• cli linq howto?

  - by Xaver

  how to use lamda expressions on cli?

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• How do you draw a line on a canvas in WPF that is 1 pixel thick.

  - by xarzu

  The method for drawing a line on a canvas in WPF that uses the line class actually draws a line that is two pixels thick: Line myLine = new Line(); myLine.Stroke = System.Windows.Media.Brushes.Black; myLine.X1 = 100; myLine.X2 = 140; // 150 too far myLine.Y1 = 200; myLine.Y2 = 200; myLine.StrokeThickness = 1; graphSurface.Children.Add(myLine); Microsoft might have decided to set a standard for line thickness and the minimum is 2 pixels thick when you set the strockThickness to 1, but when you already have rectangles drawn in XAML and even error fonts using WingDings, it is an obvious miss-match. How do you draw a line that is truly 1 pixel thick?

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• Why does a newly created EF-entity throw an ID is null exception when trying to save?

  - by Richard

  I´m trying out entity framework included in VS2010 but ´ve hit a problem with my database/model generated from the graphical interface. When I do: user = dataset.UserSet.CreateObject(); user.Id = Guid.NewGuid(); dataset.UserSet.AddObject(user); dataset.SaveChanges(); {"Cannot insert the value NULL into column 'Id', table 'BarSoc2.dbo.UserSet'; column does not allow nulls. INSERT fails.\r\nThe statement has been terminated."} The table i´m inserting into looks like so: -- Creating table 'UserSet' CREATE TABLE [dbo].[UserSet] ( [Id] uniqueidentifier NOT NULL, [Name] nvarchar(max) NOT NULL, [Username] nvarchar(max) NOT NULL, [Password] nvarchar(max) NOT NULL ); GO -- Creating primary key on [Id] in table 'UserSet' ALTER TABLE [dbo].[UserSet] ADD CONSTRAINT [PK_UserSet] PRIMARY KEY CLUSTERED ([Id] ASC); GO Am I creating the object in the wrong way or doing something else basic wrong?

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• How to access GMT time using VC

  - by sijith

  In my project i am using GetLocalTime() and GetSystemTime and set the current time into registry. But my problem is when i am changing the time of my machine the changed time only saving to registry. Is there any chance to access the GMT time so that its independent of machine and nobody can change the time.. Please give some help

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• Facing problem in accessing webservice

  - by Muhammad Waqas

  System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Web.Services2.WebServicesExtension.AfterSerializeServer(SoapServerMessage message) Above exception is thrown whenever i try to access any method of webservice on another machine. Regards, Muhammad Waqas

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• Change dynamic web reference from web./app.config

  - by Snæbjørn

  I have a problem changing a dynamic web reference in the config file. Changing the url in the config file doesn't have any effect. I have to change the url in .settings and compile for it to change. I added the web reference using the wizard. Set the URL behavior to dynamic, which added the relevant XML tags in config file. In my solution I have the web API (web reference) in a separate project (class lib), so I referenced the project and copied the <applicationSettings> over. <applicationSettings> <StartupProject.Properties.Settings> <setting name="WebReference" serializeAs="String"> <value>http://someurl/somefile.asmx</value> </setting> </StartupProject.Properties.Settings> </applicationSettings> Note that it's <StartupProject.Properties.Settings> and not <WebRefProject.Properties.Settings>. Are there some limitations I'm not aware of or am I doing something wrong?

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• MySqlDateTime to System.DateTime conversion

  - by bowsa

  Ok I'm very new to databases and C# in general, but I'm using a piece of code that exports dataset data to an Excel file, and its taking issue with the date/time format. I'm using the MySQL connector so the rowtype is MySql.Data.Types.MySqlDateTime. Is there any quick way to convert it into System.DateTime so I can slot it straight into the case statement? Here's a link to the code I used, I copied it verbatim so I've not copied and pasted it here. It throws a MySql.Data.Types.MySqlDateTime not handled exception: Code Project Thanks in advance for any help.

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• ExpectedExceptionAttribute is not working in MSTest

  - by Micah

  This is wierd, but all of a sudden the `ExpectedExceptionAttribute' quit working for me the other day. Not sure what's gone wrong. I'm running VS 2010 and VS 2005 side-by-side. It's not working in VS 2010. This test should pass, however it is failing: [TestMethod] [ExpectedException(typeof(ArgumentNullException))] public void Test_Exception() { throw new ArgumentNullException("test"); } Any ideas? This really sux.

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• How do I use unmanaged DLL in C++ win32 application?

  - by Nick

  I have a 3rd party DLL that I am trying to use in a win32 C++ application. The DLL alone is all that I have. I believe this library is written in C and I assume is not exposed to COM. Is LoadLibrary() the function must commonly used for this task in Windows? If so can someone provide me with an example of how it is used? I created a blank win32 in VS so I don't have any of the windows specific headers included etc. Thanks!

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• devIL causes program to be unable to start correctly

  - by Mark

  I just tried to use devIL and ULIT to help me with opengl texture loading. However, whenever the program starts, I get the error: "The application was unable to start correctly (0xc000007b). Click OK to close the application." What happened? I'm using the Visual C++ 2010 RC, windows 7 64-bit.

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• Type 'xxx' is not defined, BC30002 error.

  - by devin M. arnold

  Hello, It is possible to create an instance of a C# class within a aspx.vb codebehind file? When I try this within the Page_Load event: Dim oFlow As New Flow(HttpContext.Current.Request) I get the Type 'Flow' is not defined. The Flow class itself is located here: App_Code/CSCode/Cust/Frm/Flow.cs There's no namespace associated with this class. Any suggestions would be greatly appreciated. cheers, devin

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• Access View Missing in Access Data Source Configuration Wizard

  - by Steven

  I added an AccessDataSource to my ASPX page. I clicked on "Configure Data Source...", chose my Access database, and clicked the "Next " button. A couple of my queries / views are missing from the list. What might be causing this?

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