Wednesday 21 August 2013

my

<!DOCTYPE html>
<html>
<body>

<form runat="server">
<table border="0" bgcolor="#b0c4de">
   <tr valign="top">
     <td colspan="4"><h4>Compare two values</h4></td>

   </tr> 
   <tr valign="top">
     <td><asp:TextBox id="txt1" runat="server" /></td>
     <td> = </td>
     <td><asp:TextBox id="txt2" runat="server" /></td>
     <td><asp:Button Text="Validate" runat="server" /></td>
   </tr>
</table>
<br>
<asp:CompareValidator
id="compval" 
Display="dynamic"
ControlToValidate="txt1" 
ControlToCompare="txt2" 
ForeColor="red" 
BackColor="yellow" 
Type="String"
EnableClientScript="false" 
Text="Validation Failed!" 
runat="server" />
</form>

</body>
</html>

Sunday 29 April 2012

Finding Empty or Null string at once using C#


C# provide a functionality to check if a string is null or empty by single command. string have a internal functionIsNullOrEmpty(), just pass the string in it and will return the true either it is null or empty.