Implementing Edit And Delete Operations Using Templatefields In GridView

Aug 9, 2007

Hi!
I want to customize the Edit And Delete Operations of a gridview using Image Button Controls.Please suggest me the way to implement that.

One more Problem I am facing is,Image button doesn't fire the RowCommand Event of GridView whereas when I use the Link button that event is firing.

Thanks

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SQL Server 2000 Permissions For GridView Edit/Delete Functions

Feb 16, 2007

I have a SQLDataSource that gets it's data from a SQL 2000 database table.  I have configured it to generate the Update/Delete commands, which look correct.  I then have a GridView that is using this SqlDataSource to show the data with "Edit" & "Delete" buttons (the default ones from the GridView).
My problem is that while all commands (Edit, Delete) work on my local server, they do NOT work on my live server.  In my connection string, I specifiy a username and password like this:

<add name="Project_Management.My.MySettings.WebReportsConnectionString"
connectionString="Data Source=Karlweb;Initial Catalog=WebReport;Persist Security Info=True;User ID=VbUser;Password=VbUser"
providerName="System.Data.SqlClient" />
I have access to change the permissions on my production server, so I gave this "VbUser" every allow permission I could find and still I could not Edit or Delete records.  What I mean by they "do not work" is that when I click the Edit button, the GridView switches to edit mode, but when I click Update, the changes are not written.  When I click the Delete button, the page just refreshes and the record is not deleted.
As this is working on my local server, I think the problem lies in some permission or configuration of the server.  Does anyone have any suggestions of where I could look or what to change?
Thank you!

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Jun 28, 2007

This is killing me. I've searched the forums for hours and can't find the answer. My SQLDataSource is working fine except when I want to delete. I've allowed the delete function to be shown on the gridview. This is my SQLDataSource: <asp:SqlDataSource ID="IndexDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:IndexConnectionString %>"
SelectCommand="SELECT *
FROM [Index]
WHERE (Type LIKE '%' + @SearchText2 + '%')
OR (Product LIKE '%' + @SearchText2 + '%')
OR (Version LIKE '%' + @SearchText2 + '%')
OR (Binder LIKE '%' + @SearchText2 + '%')
OR (Language LIKE '%' + @SearchText2 + '%')
OR (CDName LIKE '%' + @SearchText2 + '%')
OR (Details LIKE '%' + @SearchText2 + '%')
OR (ISOLink LIKE '%' + @SearchText2 + '%')"
DeleteCommand="DELETE FROM [Index] WHERE [ID] = @original_ID"
UpdateCommand="UPDATE [Index] SET Type = @Type, Product = @Product , Version = @Version, Binder = @Binder, Language = @Language, CDName = @CDName, Details = @Details, ISOLink = @ISOLink WHERE ID = @ID">
<SelectParameters>
<asp:ControlParameter Name="SearchText2" Type="String" ControlID="SearchText2" PropertyName="Text" ConvertEmptyStringToNull="False" />
</SelectParameters>
<DeleteParameters>
<asp:Parameter Name="original_ID" Type="Int32" />
</DeleteParameters>
<UpdateParameters>
<asp:Parameter Name="Type" />
<asp:Parameter Name="Product" />
<asp:Parameter Name="Version" />
<asp:Parameter Name="Binder" />
<asp:Parameter Name="Language" />
<asp:Parameter Name="CDName" />
<asp:Parameter Name="Details" />
<asp:Parameter Name="ISOLink" />
</UpdateParameters>

</asp:SqlDataSource>
  It doesn't give me an error if I click delete but it doesn't delete the record. I've tried changing the DeleteParameter to <asp:Parameter Name="ID" Type="Int32" /> but it gives me the error "Must declare the scaler variable of '@ID'"... I saw in this post http://forums.asp.net/p/1077738/1587043.aspx#1587043 that the answer was that "The variable you have declared in the definition of the proc is
different from the variable you are using in the WHERE clause." when they are both the same. Thanks for any help.-Brandan   

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Aug 3, 2006

I have a many to many relationship I can design the table 2 ways:1) Category table (cat_id, cat_name, active) - cat_id as PKCategoryReq (cat_id, req_name) - cat_id & req_name as PK2)CategoryReq (req_name, cat_name) - req_name & cat_name as PKIf
I design 1st way. Then when they want to add and delete from the
CategoryRequest table, they would have to add to the category table
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Nov 15, 2006

I have had this problem before but it turned out to be dodgy SQL created by the wizard. Doesn't seem to be the case this time.The following does a postback but makes no changes.  1 <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ehlConnectionString %>"
2 DeleteCommand="DELETE FROM [tblSubRegions] WHERE [SubRegionID] = ?"
3 InsertCommand="INSERT INTO [tblSubRegions] ([SubRegionID], [RegionID], [SubRegionName]) VALUES (?, ?, ?)"
4 ProviderName="<%$ ConnectionStrings:ehlConnectionString.ProviderName %>"
5 SelectCommand="SELECT tblSubRegions.SubRegionID, tblSubRegions.RegionID, tblSubRegions.SubRegionName, tblRegions.RegionName FROM (tblSubRegions INNER JOIN tblRegions ON tblSubRegions.RegionID = tblRegions.RegionID) WHERE (tblSubRegions.RegionID = ?) ORDER BY tblSubRegions.SubRegionName"
6 UpdateCommand="UPDATE [tblSubRegions] SET [RegionID] = ?, [SubRegionName] = ? WHERE [SubRegionID] = ?">
7
8 <DeleteParameters>
9 <asp:Parameter Name="SubRegionID" Type="Int32" />
10 </DeleteParameters>
11
12 <UpdateParameters>
13 <asp:Parameter Name="RegionID" Type="Int32" />
14 <asp:Parameter Name="SubRegionName" Type="String" />
15 <asp:Parameter Name="SubRegionID" Type="Int32" />
16 </UpdateParameters>
17
18 <SelectParameters>
19 <asp:ControlParameter ControlID="dropRegions" Name="RegionID" PropertyName="SelectedValue" Type="Int32" />
20 </SelectParameters>
21
22 <InsertParameters>
23 <asp:Parameter Name="SubRegionID" Type="Int32" />
24 <asp:Parameter Name="RegionID" Type="Int32" />
25 <asp:Parameter Name="SubRegionName" Type="String" />
26 </InsertParameters>
27
28 </asp:SqlDataSource>
29
30
31
32 <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:ehlConnectionString %>"
33 ProviderName="<%$ ConnectionStrings:ehlConnectionString.ProviderName %>"
34 SelectCommand="SELECT [RegionID], [RegionName] FROM [tblRegions]">
35
36 </asp:SqlDataSource>
37
38
39
40 <asp:DropDownList id="dropStates" runat="server" OnSelectedIndexChanged="dropStates_SelectedIndexChanged" AutoPostBack="True">
41 </asp:DropDownList>
42
43 <asp:DropDownList id="dropRegions" runat="server" OnSelectedIndexChanged="dropRegions_SelectedIndexChanged" AutoPostBack="True">
44 </asp:DropDownList>
45
46
47
48 <asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"
49 AutoGenerateColumns="False" EnableViewState=false Width="100%" DataSourceID="SqlDataSource1">
50 <Columns>
51 <asp:TemplateField HeaderText="SubRegionName" SortExpression="SubRegionName">
52 <EditItemTemplate>
53 <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource2"
54 DataTextField="RegionName" DataValueField="RegionID" SelectedValue='<%# Bind("RegionID") %>'>
55 </asp:DropDownList>
56 </EditItemTemplate>
57 <ItemTemplate>
58 <asp:Label ID="Label1" runat="server" Text='<%# Bind("SubRegionName") %>'></asp:Label>
59 </ItemTemplate>
60 </asp:TemplateField>
61 <asp:BoundField DataField="RegionName" HeaderText="RegionName" SortExpression="RegionName" />
62 <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
63 </Columns>
64 </asp:GridView>
 Thanks in advance. Shaun 

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Mar 1, 2007

I've got an issue that when I update a record in the gridview it works fine.  When I click the delete link to remove the record from the database, I get the following error, "System.FormatException: Input string was not in a correct format".  Part of the Stack Trace refers to "String oldValuesParameterFormatString".  This parameter is in my SqlDataSource.  It was dynamically created when I originally created the SqlDataSource with VWD 2005 Express Edition.  The delete function will work if I remove "OldValuesParameterFormatString="original_{0}" ProviderName="System.Data.SqlClient", and any reference to "original_" in the DeleteCommand the SqlDataSource.  But if I do, the update function doesn't work.  Anyway, here's the SqlDataSource:  Any help would be greatly appreciated!!!!!
 
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConflictDetection="CompareAllValues"
ConnectionString="<%$ ConnectionStrings:LocalSqlServer %>"
DeleteCommand="DELETE FROM [houses] WHERE [intID] = @original_intID AND [street] = @original_street AND [city] = @original_city AND [state] = @original_state AND [zip] = @original_zip AND [status] = @original_status AND [pDate] = @original_pDate AND [sPrice] = @original_sPrice AND [asPrice] = @original_asPrice AND [actSalePrice] = @original_actSalePrice AND [cToDate] = @original_cToDate AND [rehabBudget] = @original_rehabBudget AND [tDay] = @original_tDay AND [eDate] = @original_eDate AND [loDate] = @original_loDate AND [rsDate] = @original_rsDate AND [flooringDate] = @original_flooringDate AND [estCompDate] = @original_estCompDate AND [actCompDate] = @original_actCompDate AND [coe] = @original_coe AND [lDate] = @original_lDate AND [credits] = @original_credits AND [agent] = @original_agent AND [insComplete] = @original_insComplete AND [cEscrowDate] = @original_cEscrowDate AND [bidValue] = @original_bidValue AND [thomGuideNumber] = @original_thomGuideNumber AND [locksmith] = @original_locksmith AND [notes] = @original_notes AND [hoa] = @original_hoa"
 
InsertCommand="INSERT INTO [houses] ([street], [city], [state], [zip], [status], [pDate], [sPrice], [asPrice], [actSalePrice], [cToDate], [rehabBudget], [tDay], [eDate], [loDate], [rsDate], [flooringDate], [estCompDate], [actCompDate], [coe], [lDate], [credits], [agent], [insComplete], [cEscrowDate], [bidValue], [thomGuideNumber], [locksmith], [notes], [hoa]) VALUES (@street, @city, @state, @zip, @status, @pDate, @sPrice, @asPrice, @actSalePrice, @cToDate, @rehabBudget, @tDay, @eDate, @loDate, @rsDate, @flooringDate, @estCompDate, @actCompDate, @coe, @lDate, @credits, @agent, @insComplete, @cEscrowDate, @bidValue, @thomGuideNumber, @locksmith, @notes, @hoa)"
OldValuesParameterFormatString="original_{0}" ProviderName="System.Data.SqlClient"
SelectCommand="SELECT * FROM [houses] WHERE ([intID] = @intID)"
UpdateCommand="UPDATE [houses] SET [street] = @street, [city] = @city, [state] = @state, [zip] = @zip, [status] = @status, [pDate] = @pDate, [sPrice] = @sPrice, [asPrice] = @asPrice, [actSalePrice] = @actSalePrice, [cToDate] = @cToDate, [rehabBudget] = @rehabBudget, [tDay] = @tDay, [eDate] = @eDate, [loDate] = @loDate, [rsDate] = @rsDate, [flooringDate] = @flooringDate, [estCompDate] = @estCompDate, [actCompDate] = @actCompDate, [coe] = @coe, [lDate] = @lDate, [credits] = @credits, [agent] = @agent, [insComplete] = @insComplete, [cEscrowDate] = @cEscrowDate, [bidValue] = @bidValue, [thomGuideNumber] = @thomGuideNumber, [locksmith] = @locksmith, [notes] = @notes, [hoa] = @hoa WHERE [intID] = @original_intID">
<DeleteParameters><asp:Parameter Name="original_intID" Type="Int32" /><asp:Parameter Name="original_street" Type="String" /><asp:Parameter Name="original_city" Type="String" /><asp:Parameter Name="original_state" Type="String" /><asp:Parameter Name="original_zip" Type="String" /><asp:Parameter Name="original_status" Type="String" /><asp:Parameter Name="original_pDate" Type="DateTime" /><asp:Parameter Name="original_sPrice" Type="Decimal" /><asp:Parameter Name="original_asPrice" Type="Decimal" /><asp:Parameter Name="original_actSalePrice" Type="Decimal" /><asp:Parameter Name="original_cToDate" Type="Decimal" /><asp:Parameter Name="original_rehabBudget" Type="Decimal" /><asp:Parameter Name="original_tDay" Type="DateTime" /><asp:Parameter Name="original_eDate" Type="DateTime" /><asp:Parameter Name="original_loDate" Type="DateTime" /><asp:Parameter Name="original_rsDate" Type="DateTime" /><asp:Parameter Name="original_flooringDate" Type="DateTime" /><asp:Parameter Name="original_estCompDate" Type="DateTime" /><asp:Parameter Name="original_actCompDate" Type="DateTime" /><asp:Parameter Name="original_coe" Type="DateTime" /><asp:Parameter Name="original_lDate" Type="DateTime" /><asp:Parameter Name="original_credits" Type="String" /><asp:Parameter Name="original_agent" Type="String" /><asp:Parameter Name="original_insComplete" Type="String" /><asp:Parameter Name="original_cEscrowDate" Type="DateTime" /><asp:Parameter Name="original_bidValue" Type="Decimal" /><asp:Parameter Name="original_thomGuideNumber" Type="String" /><asp:Parameter Name="original_locksmith" Type="String" /><asp:Parameter Name="original_notes" Type="String" /><asp:Parameter Name="original_hoa" Type="String" /></DeleteParameters>
<UpdateParameters><asp:Parameter Name="street" Type="String" /><asp:Parameter Name="city" Type="String" /><asp:Parameter Name="state" Type="String" /><asp:Parameter Name="zip" Type="String" /><asp:Parameter Name="status" Type="String" /><asp:Parameter Name="pDate" Type="DateTime" /><asp:Parameter Name="sPrice" Type="Decimal" /><asp:Parameter Name="asPrice" Type="Decimal" /><asp:Parameter Name="actSalePrice" Type="Decimal" /><asp:Parameter Name="cToDate" Type="Decimal" /><asp:Parameter Name="rehabBudget" Type="Decimal" /><asp:Parameter Name="tDay" Type="DateTime" /><asp:Parameter Name="eDate" Type="DateTime" /><asp:Parameter Name="loDate" Type="DateTime" /><asp:Parameter Name="rsDate" Type="DateTime" /><asp:Parameter Name="flooringDate" Type="DateTime" /><asp:Parameter Name="estCompDate" Type="DateTime" /><asp:Parameter Name="actCompDate" Type="DateTime" /><asp:Parameter Name="coe" Type="DateTime" /><asp:Parameter Name="lDate" Type="DateTime" /><asp:Parameter Name="credits" Type="String" /><asp:Parameter Name="agent" Type="String" /><asp:Parameter Name="insComplete" Type="String" /><asp:Parameter Name="cEscrowDate" Type="DateTime" /><asp:Parameter Name="bidValue" Type="Decimal" /><asp:Parameter Name="thomGuideNumber" Type="String" /><asp:Parameter Name="locksmith" Type="String" /><asp:Parameter Name="notes" Type="String" /><asp:Parameter Name="hoa" Type="String" /><asp:Parameter Name="original_intID" Type="Int32" /><asp:Parameter Name="original_street" Type="String" /><asp:Parameter Name="original_city" Type="String" /><asp:Parameter Name="original_state" Type="String" /><asp:Parameter Name="original_zip" Type="String" /><asp:Parameter Name="original_status" Type="String" /><asp:Parameter Name="original_pDate" Type="DateTime" /><asp:Parameter Name="original_sPrice" Type="Decimal" /><asp:Parameter Name="original_asPrice" Type="Decimal" /><asp:Parameter Name="original_actSalePrice" Type="Decimal" /><asp:Parameter Name="original_cToDate" Type="Decimal" /><asp:Parameter Name="original_rehabBudget" Type="Decimal" /><asp:Parameter Name="original_tDay" Type="DateTime" /><asp:Parameter Name="original_eDate" Type="DateTime" /><asp:Parameter Name="original_loDate" Type="DateTime" /><asp:Parameter Name="original_rsDate" Type="DateTime" /><asp:Parameter Name="original_flooringDate" Type="DateTime" /><asp:Parameter Name="original_estCompDate" Type="DateTime" /><asp:Parameter Name="original_actCompDate" Type="DateTime" /><asp:Parameter Name="original_coe" Type="DateTime" /><asp:Parameter Name="original_lDate" Type="DateTime" /><asp:Parameter Name="original_credits" Type="String" /><asp:Parameter Name="original_agent" Type="String" /><asp:Parameter Name="original_insComplete" Type="String" /><asp:Parameter Name="original_cEscrowDate" Type="DateTime" /><asp:Parameter Name="original_bidValue" Type="Decimal" /><asp:Parameter Name="original_thomGuideNumber" Type="String" /><asp:Parameter Name="original_locksmith" Type="String" /><asp:Parameter Name="original_notes" Type="String" /><asp:Parameter Name="original_hoa" Type="String" /></UpdateParameters>
<SelectParameters><asp:QueryStringParameter Name="intID" QueryStringField="intID" Type="Int32" /></SelectParameters>
<InsertParameters><!-- removed to save space --></InsertParameters>
</asp:SqlDataSource>

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Hi,
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What I mean is:
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Now insert a new row:
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Could anyone help me please?
Thank you in advance!
Best regardKlaus
 

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Failed to update database "C:INETPUBWWWROOTPERSONALWEBAPP_DATAASPNETDB.MDF" because the database is read-only.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Failed to update database "C:INETPUBWWWROOTPERSONALWEBAPP_DATAASPNETDB.MDF" because the database is read-only.Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace:



[SqlException (0x80131904): Failed to update database "C:INETPUBWWWROOTPERSONALWEBAPP_DATAASPNETDB.MDF" because the database is read-only.]
System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +857466
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +735078
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42

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11 <asp:BoundField DataField="REMARKS" HeaderText="Remarks" SortExpression="REMARKS" />
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20 </SelectParameters>
21 <DeleteParameters>
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23 </DeleteParameters>
24 <UpdateParameters>
25 <asp:Parameter Name="column1" Type="String" />
26 <asp:Parameter Name="column2" Type="Double" />
27 <asp:Parameter Name="column3" Type="String" />
28 <asp:Parameter Name="column4" Type="DateTime" />
29 <asp:Parameter Name="DESCRIPTION" Type="String" />
30 <asp:Parameter Name="column5" Type="DateTime" />
31 <asp:Parameter Name="REMARKS" Type="String" />
32 <asp:Parameter Name="ID" Type="Int32" />
33 </UpdateParameters>
34 </asp:SqlDataSource>
Thanks!Rob.

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/*Insertion Area End*/
 
/*-------Updation----------*/
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*/
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