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  • Unusual conversion error (string to integer) asp.net

    - by Phil
    I have my repeater item template: <ItemTemplate> <tr><td><%#Container.DataItem("Category")%></td></tr> </ItemTemplate> Hooked up to: s = "SQL that works ok on server" x = New SqlCommand(s, c) x.Parameters.Add("@contentid", SqlDbType.Int) x.Parameters("@contentid").Value = contentid c.Open() r = x.ExecuteReader If r.HasRows Then Linksrepeater.DataSource = r Linksrepeater.DataBind() End If c.Close() r.Close() When I run the code I get: Invalid Cast Exception was not handled by user code (Conversion from string "category" to type 'Integer' is not valid.) I'm not sure how / why it is trying to convert "Category" to integer as in the db it is a string. Can you please tell me how to avoid this error? thanks.

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  • Need Help With ASP.NET Custom Route

    - by Jason
    I need to create a custom route to list all the rooms in a given building. So, I want the url to look something like this: /Building/1000/Room Which would list all the rooms in Building 1000. Is this the correct mapping for the route (to call the IndexByBuilding method in RoomController)? routes.MapRoute( "RoomsByBuilding", "Building/{id}/Room", new { controller = "Room", action = "IndexByBuilding", id = "" } );

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  • asp.net regular expression not working as expected

    - by Zaps
    Hi, I have a textbox and a regular expression validator applied to it. I want to make sure that the only allowed string inputted into the textbox are "Anything Entered" or "Something Else" or "Another String" otherwise I want an error to be displayed. This is the regular expression I have so far: ValidationExpression="(^Anything Entered)$|(^Something Else)$ |(^Another String)$" However when I enter the supposed valid strings the error is displayed. I cant figure out whats wrong with the expression. Any help would be greatly appreciated. Thanks, Zaps

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  • list box asp.net selected problem

    - by lodun
    .When i choose item from "kategorije" new items loads to me in SUB_kategorije, but when i choose item from SUB_kategorije and when i click on button it shows me this error: Object reference not set to an instance of an object. Line 101: kom.Parameters.Add("@podkategorija", SqlDbType.Text).Value = SUB_kategorije.SelectedItem.ToString(); This is my source... dod_pit.ascx dod_pit.ascx.cs

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  • ASP.net: Efficient ways to convert DataSets to GenericCollection (Of ObjectType)

    - by jlrolin
    I currently have a function that gets some data from the database and puts it into a dataset. The return type on my function is GenericCollection (Of CustomerDetails) If I do this: Dim dataset As DataSet = Read(strSQL.ToString) 'Gets Data from DB What's the most efficient way to map the dataset results to an collection of objects. More importantly, since I'm using GenericCollection, is there a way to do this in which I can call a function from the ObjectType class (CustomerDetails) that would have a means to converting that specific object. Or is there a way in which I can use a function that would handle all types? Is there a way to do something like: Return returnedResults.TransformDataSet(dataset) In which returnedResults is an object collection Of CustomerDetails, or would it simply be easier to have TransformDataSet return an object collection Of CustomerDetails by itself? Thanks for any help.

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  • ASP.NET + QueryString Encoding Problem

    - by ParagM
    I'm passing query string parameter to .aspx page with 'Ñ' character in value. But Request.QueryString returns some other box '[]' character in return. I think this request encoding issue. and I do not want to use that HttpUtility.UrlDecode and HttpUtility.UrlEncode methods. Does anyone know how to solve this?

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  • dynamically build Intersect statement ASP.NET

    - by TDDG
    I would like to use the IEnumerable function Intersect() to combine a few list and get the similar integers from each list. The problem I'm faced with is that I don't know how many list I will need to compare. Here is an example: A{1,2,3,4} B{1,2,3} C{1,2} results = A.Intersect(B).Intersect(C) This works great, but the next time around I may have a D{1,2} next time I come across the function. I'd like to use the Intersect method, but I'm open to new ideas as well.

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  • ASP.NET MVC CHECKBOXES PROBLEM

    - by mazhar
    CONTROLLER public ActionResult Index() { GroupRepository grouprepository = new GroupRepository(); ViewData["Group"] = grouprepository.FindGroups(); return View(); } <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" % <% foreach (Group i in ViewData["Group"] as List) { % " checked="checked" / <% } % The thing is that it is not able to find group id and displaying the following error. What is the solution? CS1061: 'System.Text.RegularExpressions.Group' does not contain a definition for 'int_GroupId' and no extension method 'int_GroupId' accepting a first argument of type 'System.Text.RegularExpressions.Group' could be found (are you missing a using directive or an assembly reference?)

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  • Table Adapter query Builder ASP.NET

    - by kmsony32
    I want to connect my Table adapter with the Oracle, for that I am preparing a sql query with the query builder. The query which is running fine in Oracle but makes syntax error with query builder.It shows unable to parse the query text. I am using case statement and joins within the query.

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  • ASP.NET MVC 2 A question about an Asynchronous Controller

    - by Tony
    Hi, I'm wondering about one thing - let's assume that the user clicks a button, and the asynch controller's action is invoked. What happens, when the asynchronous action takes e.g. 10 seconds? The user has to wait 10 seconds to view the result of the action? If so, are the asynch controllers really helpful ?

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  • ASP error 424 Object required

    - by jeff
    I've got a problem with the following code pasted below, the problem seems to be coming from the openastextstream this carries on from another question: Set str_text_stream = obj_file.OpenAsTextStream(ForReading, TristateUseDefault) response.Write "<table>" int_j = 0 int_x = 0 Err.number = 0 Do While Not str_text_stream.AtEndOfStream str_po_insert_sql = "INSERT into tbl_purchase_orders (purchase_order_number, purchase_order_vendor_number, purchase_order_vendor_name) " str_po_insert_sql = str_po_insert_sql & " VALUES (" str_line = str_text_stream.readline arr_line = Split(str_line, """,""", -1) if Ubound(arr_line) <> 2 then Response.write "<tr><td>The line " & str_line & " could not be imported.</td></tr>" int_x = 1 else int_y = Instr(arr_line(2), """,") - 1 str_field_0 = Replace(arr_line(0), """", "") str_field_0 = Replace(str_field_0, "'", "''") str_field_1 = Replace(arr_line(1), "'", "''") str_field_2 = Left(arr_line(2), int_y) str_field_2 = Replace(str_field_2, "'", "''") str_po_insert_sql = str_po_insert_sql & "'" & str_field_0 & "', '" & arr_line(1) & "', '" & str_field_2 & "')" rs_po_insert.Open str_po_insert_sql, dbConnection, 3 if Err.number <> 0 then Response.write "<tr><td>The line " & str_po_insert_sql & " was imported.</td></tr>" end if Err.number = 0 int_j = int_j + 1 end if loop data from test import: "4501366934","800002","Clancy Docwra Ltd",04/05/2010 00:00:00 "4501366935","800004","Clancy Docwra Ltd",04/05/2010 00:00:00 "4501366936","800004","Clancy Docwra Ltd",04/05/2010 00:00:00

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  • Tracking user changes in ASP.NET MVC

    - by Ian Roke
    I have a requirement to track what authenticated users change with regards to the data when logged in. I don't need to track what pages they look at although that could be very useful in future. I have thought about saving the User Guid but that seems very clunky. Are there other methods/best practises?

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  • Cache in asp.net

    - by newperson
    Cache.Insert("lstDownload", GetListDownload(), null, DateTime.Now.AddDays(1), TimeSpan.Zero); when will cache be exprired? what will we receive when cache expired? http://stackoverflow.com/questions

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