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• Looking to start a new web project. My choice is MVC2+JQuery+VS2008

  - by rdmitry

  Should I consider using some other technologies? If yes, what are the cons/pros of each as compared to MVC2+JQuery?

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• MVC -DropDownList - Categories - SubCategories

  - by Frajer

  In my database I have tbales: categoreis and SubCategoreis. I would Like to create one Dropdownlist containg both of these. Something like: «Välj» <option value='1000' style='background-color:#dcdcc3;font-weight:bold;' id='cat1000' > -- FORDON -- /// this is from Categoreis Table </option> <option value='1020' id='cat1020' > Bilar /// this is from SubCategoreis </option> <option value='1040' id='cat1040' > Bildelar & Biltillbehör /// this is from Categoreis </option> <option value='1060' id='cat1060' > Båtar /// this is from Categoreis </option> <option value='1080' id='cat1080' > Båtdelar & tillbehör /// this is from Categoreis </option> Any samples how I could solve this? should I use Helpers or MVCUsercontrol??? I think that caching is importatnt in this case.Help me out ! Thanks!!

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• how to post a form upon click on checkbox ?

  - by user281180

  I have a form (displayed as a dialog) in which I have various checkboxes. On a click on any of the checkboxes, I want to post the form values to the controller and still doesn`t want my dialog to close. How can I do that? I don`t have a submit button on the form. Ajaxpost closes the dialog after form.submit... What method can I use?

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• Does a form gets closed after form.submit()?

  - by user281180

  I have the following code: $.ajax({ type: "POST", url: '<%=Url.Action("test","pepole") %>', data: $("#PeopleForm").submit(), contentType: "application/json; charset=utf-8", dataType: "html", sucess: function() { }, error: function(request, status, error) { $("#NotSelectedList").html("Error: " & request.responseText); } }); The PeopleForm is displayed in a dialog. After the submit, the dialog gets closed. Is that normal? I don`t want the dialog to get closed after the submit. How can I do that?

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• Getting OperationName in RequestInterceptor

  - by zak

  I have implemented a custom requestor interceptor for the purpose of authenticating requests, similar to below. I am trying to get the operation name in ProcessRequest and unable to. Can anyone let me know how do I get the operation name here? public class SampleInterceptor: Microsoft.ServiceModel.Web.RequestInterceptor { public SampleInterceptor() : base(true) { } public override void ProcessRequest(ref System.ServiceModel.Channels.RequestContext requestContext) { //need the operation name here to authenticate } }

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• remember me in login form

  - by KareemSaad

  I had login for and I want to use remember me option in login how i can make that

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• Listview or Gridview

  - by user3688801

  Is Listview better or gridview to do the below section? What is the best way to do this? The datasource for the items are a list of links returned from an application based on criteria (title#) ---------------------------------------------------------------- Title1      item1 link      item2 link      item3 link Title2      itemx link      itemy link Tiltle3      itema link      itemb link      itemc link      itemd link . . ----------------------------------------------------------------

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• Merging DataTable(s) Column by Column.

  - by Omky

  Hello All, I want to merge two or more DataTables Colum by Column. I am developing C# Windows Application. My use case is below: I have empty data grid in my application. user will drag and drop one column from available column list box into data grid. The data grid will start displaying data for that column. Now, I will drag another column into data grid and now grid should get populated data of two columns. This will repeat till user feels that he has dropped all necessary columns. What is best way to do this? Is there any performance hits with large number of rows typically 1 million? Please help. Thanks, Omky

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• Alert box not being called upon button click

  - by user279521

  I have a fairly simple code, a button click event, with the first line being a message box. When the button is clicked, the messagebox is not called. protected void btnSubmitToCRM_Click(object sender, EventArgs e) { ClientScript.RegisterStartupScript(GetType(), "alert", "alert('btnSubmitToCRM_Click - 1');", true); if (!ValidateCoreValue()) { ClientScript.RegisterStartupScript(GetType(), "alert", "alert('btnSubmitToCRM_Click - 1 - False');", true); return; } } Any ideas?

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• Why does String.Equals(Object obj) check to see if this == null?

  - by m-y

  // Determines whether two strings match. [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)] public override bool Equals(Object obj) { //this is necessary to guard against reverse-pinvokes and //other callers who do not use the callvirt instruction if (this == null) throw new NullReferenceException(); String str = obj as String; if (str == null) return false; if (Object.ReferenceEquals(this, obj)) return true; return EqualsHelper(this, str); } The part I don't understand is the fact that it is checking for the current instance, this, against null. The comment is a bit confusing, so I was wondering what does that comment actually mean? Can anyone give an example of how this could break if that check was not there, and does this mean that I should also place that check in my classes?

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• Why it isn't possible to declare a method parameter as var type.

  - by wonde

  I wonder why is is not possible a method parameter as var type like private void myMethod(var myValue) { // do something }

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• making web.config password protected and use it in application

  - by regy

  I want to make my web.config password protected so that external users do not open it. But my application should be able to access. Is there any way to do this??

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• How To check if Object defined

  - by AYAK

  Hello , i would like to check if Object is defined or exist using C# something like this if (defined(Object)){ } thanks in advance

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• When do declarative controls get initialized in parent user controls?

  - by Tony_Henrich

  If I have a user control which has server control label, the label is not initialized if the user control is inherited by another user control. When does the label get initialized? In the case of when its host user control is used as a base user control.

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• Treeview insert property problem

  - by curiosity

  TreeNode[] nodes = this.treeview.Nodes.Find(node.Text, true); if (nodes.Length > 0) { int i = nodes[0].Index; if (nodes.Length > 0) this.treeview.Nodes.Remove(nodes[0]); this.treeview.Nodes.Insert(i, nodes[0]); } i tried this code, but the node nodes[0] is not inserting into the particular index. instead it is adding at the last. but yes i use treeviewsorter. Any idea how to insert node without using insert or using insert effectively with treeviewsorter??

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• While remote deubgging how are the pdb located (VS 2008)

  - by Saar

  When the deubgger is attached to a process on remote server - What locations are searched for the pdb? In what order? (e.g. is it searched on the remote server (debuggee) or on the local client (deubger)) When I use the deubgger to manually load pdb file from specific location - is the deubbger looking for the file locally or is it the remote debugger monitor looking for the file on the? Is there any article that describes that process?

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• enableviewstatemac=true

  - by domineer

  Does setting enableviewstatemac to "true" affects the site's performance? Could you give me some explanation?

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• highlight newly inserted row in grid view

  - by John

  I setup my gridview to handle the edit,delete, and insert operations correctly. My grid also supports paging and sorting. My question is how to highlight and go to the newly inserted row in my grid?

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• Help With Generics? How to Define Generic Method?

  - by DaveDev

  Is it possible to create a generic method with a definition similar to: public static string GenerateWidget<TypeOfHtmlGen, WidgetType>(this HtmlHelper htmlHelper , object modelData) // TypeOfHtmlGenerator is a type that creates custom Html tags. // GenerateWidget creates custom Html tags which contains Html representing the Widget. I can use this method to create any kind of widget contained within any kind of Html tag. Thanks

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• on error is it possible to ignore exception?

  - by every_answer_gets_a_point

  how do i ignore exceptions in c#? i am reading a remote xml file, and sometimes the tag doesnt exist and it throws an exception. how do i ignore the exception and goto next?

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• Does it make sense to test ui components seperately?

  - by Bless Yahu

  I'm working on a webform that has about 15 user controls, separated by context (comments, locations, members/leaders, etc).   If each control can render individually (using real or test data), does it make sense to have a seperate "functional" test page to test them in isolation or is there a better way?

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• Can i exclude a word in my pattern?

  - by acidzombie24

  I know i can do something like ab[^c]+def which should match ab_blah_hi_blah_def but is there a way to do something like ab(^hi)+def which will exclude the word hi causeing ab_blah_hi_blah_def to fail? but not ab_blah_h_i_blah_def

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• Close child form if already open

  - by j-t-s

  Hi All How can I go about closing a Child form if it's already open? And if it isn't already open, then open it? Thank you I already have this code, which doesn't work, obviously: Form ibx = new inbox(); if(ibx.Visible) ibx.Dispose(); else ibx.Show(); All that the above does is creates a new form whether or not it's already open.

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• Problem using IIS 7 and SQL SERVER 2008

  - by Daniel

  I have problem using IIS 7 and SQL Server 2008. When I trying to show my website using IIS as webserver I get the message "[SqlException (0x80131904): Login failed for user..." When I using the webserver included in Visual Studio 2010 to show same website there is no problem to access the database. Why is it working with VS2010 webserver but not with IIS?

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• How to write a "Not In" sql query in Linq?

  - by VJ

  Hi, I want to write a query like select * from Dept where Id not in (Select Id in Employee where Salary100) in LINQ .

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