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How Required Field validator  with details view or gridview in ASP.NET 2.0

Posted on 2007-12-04
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Last Modified: 2013-11-07
Can anyone tell me how I can use the required field validator control with a field that is in a gridview or details view control?
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Question by:edi77
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LVL 29

Expert Comment

by:QPR
ID: 20408845
same as you would were it outside a gridview...

<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="txtKeywords"
        ErrorMessage="YOu forgot to type something" Width="304px"></asp:RequiredFieldValidator>
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by:edi77
ID: 20408933
ok thanks, so where inside here do i put that?

 <EmptyDataTemplate>
            <asp:DetailsView ID="DetailsView1" runat="server" AllowPaging="True" AutoGenerateRows="False"
                DataKeyNames="LP" DataSourceID="SqlDataSource1" DefaultMode="Insert" Height="50px"
                Width="125px" OnItemInserted="DetailsView1_ItemInserted">
                <Fields>
                    <asp:BoundField DataField="DNA" HeaderText="DNA" SortExpression="DNA" />
                   
                   
                    <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" ShowInsertButton="True" />
                </Fields>
            </asp:DetailsView>
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LVL 29

Expert Comment

by:QPR
ID: 20415491
Outside of the gridview tag, it doesn't make up part of the control. Just so long as it references the correct control then all is good.

</Fields>
</asp:DetailsView>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="txtKeywords"
        ErrorMessage="YOu forgot to type something" Width="304px"></asp:RequiredFieldValidator>

The control would be a textbox for example (not the details view) so make sure the control has an id value
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Author Comment

by:edi77
ID: 20418142
where can i make sure it has an id value  ? WHen i created it i just used the details view template, when i go to click on the textbox in the properties window under fields it just says (collection)
so how do i access each field's id value to set the validator to the right field?
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Accepted Solution

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QPR earned 1000 total points
ID: 20422626
Are you using visual studio 2005? if so, select the details view in design mode and then click the smart tag and choose edit fields. Select the field in question and select convert this into a template. Close this dialogue box and then reopen it but this time choose edit templates. Your control label/textbox/whatever will now be shown as a single entity rather than the details view as a whole. Highlight the control and then give it an id in the properties window
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