Following are some of the useful JavaScript snippets used in ASP.NET WebForms
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| //Numbers only textbox | |
| function IsNumber(evt) { | |
| var charCode = (evt.which) ? evt.which : evt.keyCode; | |
| if (charCode > 31 && (charCode < 48 || charCode > 57)) | |
| return false; | |
| return true; | |
| } | |
| <asp:TextBox ID="txtNumbersOnly" runat="server" onkeypress="return IsNumber(event)"></asp:TextBox> | |
| //Select all text when focus | |
| <asp:TextBox ID="txtSelectAll" runat="server" onfocus="this.select();"></asp:TextBox> |
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