http://www.aspsnippets.com/Articles/Building-Modal-Popup-using-ASPNet-AJAX-ModalPopupExtender-Control.aspx
Friday, 10 October 2014
Wednesday, 9 April 2014
Disable browser back button using javascript
Disable back button in Browser Using Javascript
Declare a script:
<script>
function noBack() { window.history.forward(); }
</script>
Inside the body add the below lines like below
<body onload="noBack();" onpageshow="if(event.persisted)noBack();"onunload="">
Output for Firefox and IE are as follows,
Thursday, 30 January 2014
allow user to enter only "Numbers" and if required, only one dot "."
Try this:
<asp:TextBox ID="TextBox1" onkeypress="return numericOnly(this);" runat="server"></asp:TextBox>
<script type="text/JavaScript">
<!--
function numericOnly(elementRef)
{
var keyCodeEntered = (event.which) ? event.which : (window.event.keyCode) ? window.event.keyCode : -1;
<!--
function numericOnly(elementRef)
{
var keyCodeEntered = (event.which) ? event.which : (window.event.keyCode) ? window.event.keyCode : -1;
// Un-comment to discover a key that I have forgotten to take into account...
//alert(keyCodeEntered);
//alert(keyCodeEntered);
if ( (keyCodeEntered >= 48) && (keyCodeEntered <= 57) )
{
return true;
}
// '+' sign...
else if ( keyCodeEntered == 43 )
{
// Allow only 1 plus sign ('+')...
if ( (elementRef.value) && (elementRef.value.indexOf('+') >= 0) )
return false;
else
return true;
}
// '-' sign...
else if ( keyCodeEntered == 45 )
{
// Allow only 1 minus sign ('-')...
if ( (elementRef.value) && (elementRef.value.indexOf('-') >= 0) )
return false;
else
return true;
}
// '.' decimal point...
else if ( keyCodeEntered == 46 )
{
// Allow only 1 decimal point ('.')...
if ( (elementRef.value) && (elementRef.value.indexOf('.') >= 0) )
return false;
else
return true;
}
{
return true;
}
// '+' sign...
else if ( keyCodeEntered == 43 )
{
// Allow only 1 plus sign ('+')...
if ( (elementRef.value) && (elementRef.value.indexOf('+') >= 0) )
return false;
else
return true;
}
// '-' sign...
else if ( keyCodeEntered == 45 )
{
// Allow only 1 minus sign ('-')...
if ( (elementRef.value) && (elementRef.value.indexOf('-') >= 0) )
return false;
else
return true;
}
// '.' decimal point...
else if ( keyCodeEntered == 46 )
{
// Allow only 1 decimal point ('.')...
if ( (elementRef.value) && (elementRef.value.indexOf('.') >= 0) )
return false;
else
return true;
}
return false;
}
// -->
</script>
Note that I attached the event handler to the element in the HTML declaration. This will work, but will produce a compiler warning. The proper way to do this for a server control is in the Page_Load handler of the server-side code like this:
TextBox1.Attributes.Add("onkeypress", "return numericOnly(this);");
}
// -->
</script>
Note that I attached the event handler to the element in the HTML declaration. This will work, but will produce a compiler warning. The proper way to do this for a server control is in the Page_Load handler of the server-side code like this:
TextBox1.Attributes.Add("onkeypress", "return numericOnly(this);");
Tuesday, 21 January 2014
Export grid data to excel and other format
http://www.developerhelpdesk.com/export-to-excel-pdf-word-without-third-party-dll/#comment-12559
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