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• Read http body and put it into variables.

  - by Khou

  how do you create a class to read the html body and phase it into a variable? Example the page http://domain.com/page1.aspx display the following plaintext within the html body content item1=xyz&item2=abc&item3=jkl how do you read content of the html body and assign them to a variables in this case variable1=xyz (value taken from item1=) variable2=abc (value taken from item2=) variable3=jkl (value taken from item3=)?

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• Can I trigger an Update Panel from a Drop Down list in a User Control

  - by Jisaak

  I have a user control in a master page with two drop down lists. When the user selects an item out of either ddl, I want to load a specific user control inside an update panel on the content page. I know how to load the controls in the update panel, but I can't figure out how to get the user control to trigger the update panel. Any suggestions are very much appreciated.

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• How does MVC ViewData work?

  - by Matt

  I am toying around with an MVC application just to learn the technology. I am mocking up a check register application that keeps track of a checking account, what has cleared the bank and what has not. I am using EF for my model and everything seems to be working correctly insofar as Edit, Create, etc. However, I have a couple of totals at the top. One to show the bank's balance and another to show the actual balance. It works most of the time but when I do Edit's it does not always accurately reflect the new total and I need it to update everytime a change is made (i.e when something clears the bank): [Authorize(Roles = "admin, checkUser")] public ActionResult Index() { var resultSet = from myChecking in chk.tblCheckings orderby myChecking.id descending select myChecking; ViewData.Model = resultSet.Take(45).ToList(); //for balances var actualBalance = from theChecking in chk.tblCheckings select theChecking.deposit - theChecking.withdrawal; var bankBalance = from theChecking in chk.tblCheckings where theChecking.cleared == true select theChecking.deposit - theChecking.withdrawal; //get bank balance ViewData["bankBalance"] = bankBalance.Sum(); //get actual balance ViewData["actualBalance"] = actualBalance.Sum(); return View(); } I am showing the actual and other balance in the Index view as follows: <td colspan="9" style="text-align: center; font-size: 11pt; color: white;"> <%= string.Format("Bank Balance: {0:c}", ViewData["bankBalance"]) %> ------ <%= string.Format("Actual Balance: {0:c}", ViewData["actualBalance"]) %> </td>

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• LinkButton not firing OnClick event in Accordion

  - by lampej

  I have not been able to get the break point I have on LinkButtonDelete_Click to fire. Is there a trick to dealing with buttons inside of Accordions? Thank you. <cc1:Accordion ID="Accordion1" runat="server" DataSourceID="ObjectDataSource1" SelectedIndex="-1" RequireOpenedPane="false"> <HeaderTemplate> <asp:Label ID="LabelDisplayName" runat="server" Text='<%#Bind("FirstName") % >'></asp:Label> </HeaderTemplate> <ContentTemplate> <asp:LinkButton ID="LinkButtonDelete" runat="server" OnClick="LinkButtonDelete_Click" Text="Delete"></asp:LinkButton> ... </ContentTemplate> </cc1:Accordion> Public Sub LinkButtonDelete_Click(ByVal sender As Object, ByVal e As EventArgs) Dim button As LinkButton = CType(sender, LinkButton) ... End Sub

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• Generic WithEvents

  - by serhio

  Error: 'WithEvents' variables can only be typed as classes, interfaces or type parameters with class constraints Background: Public Class Tadpole(Of T As IVisibleChanged, P As IVisibleChanged) Private WithEvents _Tad As T ' ERROR ' Private WithEvents _Pole As P ' ERROR ' Public Property Tad() As T ... Public Property Pole() As P ... End Class ''' IVisibleChanged ''' Public Interface IVisibleChanged Property Visible() As Boolean Event VisibleChanged As EventHandler End Interface Workaround: a. Use AddHandler to handle events defined in a structure. EDIT b. use Private WithEvents _Tad AsIVisibleChanged (M.A. Hanin) c. ?

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• ModelState always valid

  - by Jaimal Chohan

  I've got something seemingly very simple not working. I have got a model public class Name: Entity { [StringLength(10), Required] public virtual string Title { get; set; } } public class Customer: Entity { public virtual Name Name { get; set; } } a view model public class CustomerViweModel { public Customer Customer { get; set; } } a view <% using(Html.BeginForm()) { %> <%= Html.LabelFor(m => m.Customer.Name.Title)%> <button type="submit">Submit</button> <% } %> and a controller [HttpPost] public ActionResult Index([Bind(Prefix = "Customer")] Customer customer) { if(ModelState.IsValid) Save else return View(); } No matter what I enter as the title (null, or a string 10 chars), ModelState.IsValid is always true. The Title field in the Customer object has a value, so the data is being passed around, but not being validated? Any clues?

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• Converting date to day of week

  - by strakastroukas

  Hello, is there any ready to go solution within the microsoft framework, regarding conversion of date to day? For example, i would like to convert this string 21/03/2010 (dd/mm/yyyy) to Sunday

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• visusal studio embedded crystal report keeps prompting database login?

  - by phill

  I'm using visual studio 2005 to develop a form with a combobox passing a value into the parameter of an embedded crystal report. I'm trying to figure out why it keeps prompting me for a database login every single time you try to run the report with a different combobox selection. Here is my code: private Sub Form1_load... Dim ConnName As String Dim ServerName As String Dim DBName As String Dim user As String Dim pass As String Dim gDBA As ADODB.Connection Dim records As ADODB.Recordset Dim datver As ADODB.Recordset Dim query As String '---OPEN THE DATABASE CONNECTIONS gDBA = New ADODB.Connection ': gDBA.CursorLocation = adUseServer 'Added to prevent time out error gDBA.CommandTimeout = 1000 : gDBA.ConnectionTimeout = 1000 gDBA.ConnectionString = "Server=svr13;Database=subscribers;User ID=KViews;Password=Solution;Trusted_Connection=True;" gDBA.Open("Data Source=Kaseya;Initial Catalog=subscribers;User Id=KViews;Password=Solution;", "KViews", "Solution") records = New ADODB.Recordset query = "select distinct groupname from _v_k order by groupname desc" 'records.ActiveConnection = gDBA.ConnectionString records.CursorType = CursorTypeEnum.adOpenForwardOnly records.LockType = LockTypeEnum.adLockReadOnly records.Open(query, gDBA) Do While Not records.EOF ComboBox1.Items.Add(records.Fields("groupname").Value) records.MoveNext() Loop end Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim selected As String selected = ComboBox1.Text Dim cryRpt As New ReportDocument cryRpt.Load("C:\Visual Studio 2005\Projects\WindowsApplication1\WindowsApplication1\CrystalReport1.rpt") cryRpt.SetDatabaseLogon("KViews", "Solutions", "svr13", "subscribers") cryRpt.SetParameterValue("companyname", selected) CrystalReportViewer1.ReportSource = cryRpt CrystalReportViewer1.Refresh() End Sub I looked at this previous posting http://stackoverflow.com/questions/1132314/database-login-prompt-with-crystal-reports but this wasn't very helpful. I couldn't find where a CMC was to disable the prompt. Any ideas? thanks in advance

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• How to add ServiceReference to an embedded file?

  - by TruMan1

  I have a class library. In one of the classes, I am adding a script reference on the page like this: protected override void OnPreRender(EventArgs e) { base.OnPreRender(e); if (this.Page != null) { ScriptManager sm = ScriptManager.GetCurrent(this.Page); ServiceReference reference = new ServiceReference("~/Sitefinity/Admin/Services/ContactsService.asmx"); reference.InlineScript = true; sm.Services.Add(reference); } } For the ServiceReference file path, is there a way to add an embedded file instead? I want to keep everything self-contained in my class library instead of dropping a file into the website folder.

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• DroDownlist in DataGrid produces Error

  - by S Nash

  I have a DataGrid and everytime I change value of it's embeded dropdwonlist I get: "System.Web.HttpException: The IListSource does not contain any data sources." I have a data grid which loads fine: Name column is editable. I have a dropdownlist these : DataDataGrid gets its value from a table. (Select Name, Address From Persons) Dropdown list also gets list of names from the same table. So DataGrid and dropdownlist are bound to 2 different datasets. Here is my code for dataGrid" <Columns> <ASP:ButtonColumn Text="Delete" CommandName="Delete"></ASP:ButtonColumn> <asp:EditCommandColumn ButtonType="LinkButton" UpdateText="Update" CancelText="Cancel" EditText="Edit"></asp:EditCommandColumn> <ASP:TemplateColumn HeaderText="Name" SortExpression="FY" HeaderStyle-HorizontalAlign="center" HeaderStyle-Wrap="True"> <ItemStyle Wrap="false" HorizontalAlign="left" /> <ItemTemplate> <ASP:Label ID="Name" Text='<%# DataBinder.Eval(Container.DataItem, "Name") %>' runat="server"/> </ItemTemplate> <EditItemTemplate> <ASP:DropDownList id="ddlName" cssClass="DropDownList" runat="server" datasource="<%#allNames%>" DataTextField= "Name" DataValueField="ID" Defaultvalue='<%# DataBinder.Eval(Container.DataItem, "ID") %>' OnPreRender="SetDefaultListItem" accessKey="I" AutoPostBack="true" /> </EditItemTemplate> </ASP:TemplateColumn> <asp:BoundColumn DataField="Address" ReadOnly="True" HeaderText="Address"></asp:BoundColumn> </Columns> Error happens here : dg.DataSource = ds dg.DataBind() Any ideas how to solve this issues? All I want is a DataGrid with a editable column ,which can be edited by choosing one of the value of in a dropdownlist.

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• How do i configure optional flags in MVC 1.0 routes

  - by Thomas Jespersen

  I want to configure a route with optional flags. E.g. I want to be able to call the products page and send optional filters (flags) for offers and in stock options. If the flags are NOT specified then all products should be returned. http://localhost/products http://localhost/products/onlyOnOffer http://localhost/products/onlyInStock http://localhost/products/onlyInStock/onlyOnOffer [AcceptVerbs(HttpVerbs.Get)] public ActionResult GetProducts(bool onlyInStock, bool onlyOnOffer) { //... } How would I configure the route? Is it even possible in MVC 1.0? What about MVC 2.0.

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• Should I call Dispose() within a function after Return?

  - by Camilo Martin

  Should I call .Dispose() after returning an object that implements IDisposable? myDisposableObject Gimme() { //Code return disposableResult; disposableResult.Dispose(); } In other words, is the object I return a copy, or is it the object itself? Thanks :)

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• Change the output of the Html.menu() asp control .

  - by user327893

  Im creating a asp mvc application and im using a sitemap to create my menu. Is it possible to change the output of the Html.menu() asp control? normal output: <ul> <li><a href="#">Item 1</li> <li><a href="#">Item 2</li> </ul> needed output: <ul> <li><a href="#"><span>Item 1</span></li> <li><a href="#"><span>Item 2</span></li> </ul> Or should i filter true the nodes of the sitemap to get the format i want?? TY in advance:)

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• What is the way to go to fake my database layer in a unit test?

  - by Michel

  Hi, i have a question about unit testing. say i have a controller with one create method which puts a new customer in the database: //code a bit shortened public actionresult Create(Formcollection formcollection){ client c = nwe client(); c.Name = formcollection["name"]; ClientService.Save(c); { Clientservice would call a datalayer object and save it in the database. What i do now is create a database testscript and set my database in a know condition before testing. So when i test this method in the unit test, i know that there must be one more client in the database, and what it's name is. In short: ClientController cc = new ClientController(); cc.Create(new FormCollection (){name="John"}); //i know i had 10 clients before assert.areEqual(11, ClientService.GetNumberOfClients()); //the last inserted one is John assert.areEqual("John", ClientService.GetAllClients()[10].Name); So i've read that unit testing should not be hitting the database, i've setup an IOC for the database classes, but then what? I can create a fake database class, and make it do nothing. But then ofcourse my assertions will not work because if i say GetNumberOfClients() it will alwasy return X because it has no interaction with the fake database class used in the Create Method. I can also create a List of Clients in the fake database class, but as there will be two different instance created (one in the controller action and one in the unit test), they will have no interaction. What is the way to make this unit test work without a database?

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• How to show hierarchial data in a dropdownlist.

  - by vaibhav

  I have a table in sqlserver 2005. I want to show all domain name in a dropdownlist maintaing the same hierarchy. i.e Law Engineering --civil --Mechanical Medical --Dental ----Cavity --MBBS I need to append '--' according to the domain level. Is it possible using a sql query. or alternatively can I have any other control to show this data.

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• Managing EntityConnection lifetime

  - by kervin

  There have been many question on managing EntityContext lifetime, e.g. http://stackoverflow.com/questions/813457/instantiating-a-context-in-linq-to-entities I've come to the conclusion that the entity context should be considered a unit-of-work and therefore not reused. Great. But while doing some research for speeding up my database access, I ran into this blog post... Improving Entity Framework Performance The post argues that EFs poor performance compared to other frameworks is often due to the EntityConnection object being created each time a new EntityContext object is needed. To test this I manually created a static EntityConnection in Global.asax.cs Application_Start(). I then converted all my context using statements to using( MyObjContext currContext = new MyObjeContext(globalStaticEFConnection) { .... } This seems to have sped things up a bit without any errors so far as far as I can tell. But is this safe? Does using a applicationwide static EntityConnection introduce race conditions? Best regards, Kervin

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• Limit the model data fields serialized by Web API based on the return type Interface

  - by Stevo3000

  We're updating our architecture to use a single object model for desktop, web and mobile that can be used in the MVVM pattern. I would like to be able to limit the data fields that are serialized through Web API by using interfaces on the controllers. This is required because the model objects for mobile are stored in HTML5 local storage so don't carry optional data while a thin desktop client would be able to store (and work with) more data. To achieve this a model will implement the different interfaces that define which data fields should be serialized and there will be a controller specific to the interface. The problem is that the Web API always serializes every field in the model even if it is not part of the interface being returned. How can we only serialize fields in the returned interface?

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• .getScript getting the redirect url of javascript

  - by user177883

  I d like to execute a remote javascript which redirects the user to another page on my domain with data that s passes as query string. I want to get this data which is passed on to the page on my domain. $.getScript('http://site.com/foo.js', function() { //foo.js redirects to another page on my domain with data // and i d like to capture that data from this function, // at least if i find the parameters that passed on there, i ll be fine. }); What to do ? http://api.jquery.com/jQuery.getScript/

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• Fastest method for SQL Server inserts, updates, selects

  - by Ian

  I use SPs and this isn't an SP vs code-behind "Build your SQL command" question. I'm looking for a high-throughput method for a backend app that handles many small transactions. I use SQLDataReader for most of the returns since forward only works in most cases for me. I've seen it done many ways, and used most of them myself. Methods that define and accept the stored procedure parameters as parameters themselves and build using cmd.Parameters.Add (with or without specifying the DB value type and/or length) Assembling your SP params and their values into an array or hashtable, then passing to a more abstract method that parses the collection and then runs cmd.Parameters.Add Classes that represent tables, initializing the class upon need, setting the public properties that represent the table fields, and calling methods like Save, Load, etc I'm sure there are others I've seen but can't think of at the moment as well. I'm open to all suggestions.

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• Want to build simple SQL admin interface to change a few values in a table.

  - by Adam McC

  i am currently building a system in MSSQL 2K5. i have a table that holds information about certain insurance schemes such as overheads and other things. these values will change occasionally and currently i administer the database straight through the management Studio. i would like to build a simple interface that will allow my colleagues to change these values by selecting the company in a dropdown and the current values will populate. they can then edit these values and submit them to the database. is this possible in the current Visual Studio supplied with MSSQL server 2K5 or do i need to get another product. i am confident that with the help of stack overflow and google i can build this myself, but i need pointed in the right direction as to which environment would be easiest and best to start building it. Many thanks, adam

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• Updating a gridview based on dundas chart callback

  - by Daud

  I have a dundas pie chart which when clicked issues a client callback which updates another chart associated with it. Basically its like a drill down thing. I also want to update my gridview based on the user's selection of the pie. But since the update of chart is being done using dundas client callback I'm unable to rebind my Gridview. Is there any way to do it? .

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• Switching to WPF, the best use of time at Visual Studio Launch 2010

  - by Stewbob

  Yes, this is a programming-related question, if a little indirectly (that's why I marked it Community Wiki right away). For better or worse, I am switching from Winforms to WPF in April. I am also going to be in attendance at the Visual Studio Launch in Las Vegas. I have a real need to get up to speed quickly in WPF, so my question is: What sessions are going to be the best use of my time? I've got some picked out already, but I'm looking for some more advice on how to wade through all the marketing fluff and get some real educational value out of these few days. I have not been to one of these events before, so I don't really know how much is marketing hype, and how much is solid content. A couple of the workshops look interesting (VPR02 and VPS02), but I don't know enough about the actual content of these to justify the extra expense right now. Any thoughts there would be appreciated. And yes, I do have WPF learning planned other than just these few days in Vegas, but since I'm going to be there anyway, I want to learn as much as I can in the time available.

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• How to update non-scalar entity properties in EF 4.0?

  - by Mike

  At first I was using this as an extension method to update my detached entities... Public Sub AttachUpdated(ByVal obj As ObjectContext, ByVal objectDetached As EntityObject) If objectDetached.EntityState = EntityState.Detached Then Dim original As Object = Nothing If obj.TryGetObjectByKey(objectDetached.EntityKey, original) Then obj.ApplyCurrentValues(objectDetached.EntityKey.EntitySetName, objectDetached) Else Throw New ObjectNotFoundException() End If End If End Sub Everything has been working great until I had to update non-scalar properties. Correct me if I am wrong but that is because "ApplyCurrentValues" only supports scalars. To get around this I was just saving the FK_ID field instead of the entity object relation. Now I am faced with a many to many relationship so its not that simple. I would like to do something like this... Dim Resource = RelatedResource.GetByID(item.Value) Condition.RelatedResources.Add(Resource) But when I call SaveChanges the added Resources aren't saved. I started to play around with self-tracking entities (not sure if they will help solve my prob) but it seems they cannot be serialized to ViewState and this is a requirement for me. I guess one solution would be to add the xRef table as an entity and add the fks myself but I would rather it just work how I expect it too. I am open to any suggestions on how to either save my many to many relationships or serialize self-tracking entities (if self-trackingwould even solve my problem). Thanks!

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• Spark show logged in user

  - by Jose

  How do I show the username of the person logged in within a Spark View? The default MVC view engine had a Page object that you could get the info from. How would I do that in spark? I know that I could put the info into the viewdata dictionary, which is probably the best, but I don't want to have to write ViewData["User"] = myUser; before I return from EVERY action method. I'd like some feedback

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• ajaxtabcontainer 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 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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