如何在GridView中将必需的字段验证器提供给文本框？ [英] how to give required field validator to textbox in gridview?

问题描述

 < asp：GridView ID =GridView1runat =serverAutoGenerateColumns =falseHeight =146px
 Width =308px> 
<列> 
< asp：TemplateField HeaderText =原价ControlStyle-Width =100px> 
< ItemTemplate> 
< asp：TextBox ID =txtOriginalPricerunat =server>< / asp：TextBox> 
< asp：RequiredFieldValidator ID =rfvrunat =serverControlToValidate =txtOriginalPrice
 ValidationGroup =GridView1Display =StaticErrorMessage =Text =*><<< ; / ASP：RequiredFieldValidator的> 
 
< / ItemTemplate> 
< / asp：TemplateField> 
< /列> 
< / asp：GridView> 
  

我使用上面的代码，但它不工作，虽然我已经把requirefield验证器它不显示我'*'

解决方案

如果您需要执行验证，请检查此类内容

< asp：Button ID =btnAddrunat ='server'ValidationGroup ='GridView1'CausesValidation ='true'.....

所以现在当你点击添加按钮时，它将验证那些属于你提到的验证组的控件，默认值是，因此你不会找到任何验证触发。

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" Height="146px"
            Width="308px">
            <Columns>            
                    <asp:TemplateField HeaderText="Original Price" ControlStyle-Width="100px">
                    <ItemTemplate>
                        <asp:TextBox ID="txtOriginalPrice" runat="server"></asp:TextBox>
                         <asp:RequiredFieldValidator ID="rfv" runat="server" ControlToValidate="txtOriginalPrice" 
                         ValidationGroup="GridView1" Display="Static" ErrorMessage="" Text="*"></asp:RequiredFieldValidator> 

                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>

I am using above code but its not working though I have put requirefield validator it does not show me the '*'

解决方案

In case you need the validation to be performed then check for something like this

<asp:Button ID="btnAdd" runat='server' ValidationGroup='GridView1' CausesValidation='true'.....

So now when you click the add button it will validate for those controls falling under the validation group you mentioned else the default value is "" hence you won't find any validation triggered.

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