In the below code how can i use validator...that field should not be blank.

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<asp:label id="lblOpenid" cssclass="lblOpen" runat="server" text="OpenJobsBySpecificId" xmlns:asp="#unknown">
<asp:textbox id="TextBox1" runat="server" width="78px" xmlns:asp="#unknown">

<asp:button id="Button1" runat="server" text="Click" onclick="Button1_Click" xmlns:asp="#unknown">

Posted 7-May-10 18:50pm

avijit1112009

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Deepika Haridas · Answer 1 · 2010-05-10T19:27:00

Hello,

Here's a sample code

<asp:label id="lblOpenid" cssclass="lblOpen" runat="server" text="OpenJobsBySpecificId" xmlns:asp="#unknown">
           <asp:textbox id="TextBox1" runat="server" width="78px" xmlns:asp="#unknown">
           <asp:button id="Button1" runat="server" text="Click" onclick="Button1_Click" xmlns:asp="#unknown" />
           <asp:RequiredFieldValidator ID="reqfTextBox1" Display="None" runat="server" ErrorMessage="Enter Value" ForeColor="red" ControlToValidate="TextBox1" SetFocusOnError="True" CssClass="clsErrorSign" Text="x" Font-Bold="true"></asp:RequiredFieldValidator>
               <ajaxToolkit:ValidatorCalloutExtender ID="vcTextBox1" HighlightCssClass="validatorCalloutHighlight" runat="server" TargetControlID="reqfTextBox1">
                                                                           </ajaxToolkit:ValidatorCalloutExtender>

HardikSitapara · Answer 2 · 2010-05-07T19:03:00

Solution 1

u can use "asp:requiredfield validator"
and then assign ControltoValidate property to that textbox by giving ID of the textbox.

Posted 7-May-10 19:03pm

HardikSitapara