Friday 14 September 2012

Only Number validation in Textbox of ASP.NET Using Regular Expression validator


Only Number validation in Textbox of ASP.NET Using Regular Expression validator


Only numbers can enter into that Textbox

We can use Regular expression validator for this:

In the validation expression property keep ^\d+$.

<asp:TextBox ID="TextBox1" runat="server" Style="z-index: 100; left: 259px; position: absolute;

top: 283px" ValidationGroup="check"></asp:TextBox>


<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="TextBox1"

ErrorMessage="Please Enter Only Numbers" Style="z-index: 101; left: 424px; position: absolute;

top: 285px" ValidationExpression="^\d+$" ValidationGroup="check"></asp:RegularExpressionValidator>

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