Hello im using dhtmlx grid in this cells i have from time and to time (i.e ind==1 and ind==2) i need to validate time where to-time must be greater than from-time else it should alert an message,i have writeen a normal Regular expression for the time validation.as the time is i string format i.e[05:00],please can any one send me code for that.
Code:
var err_str="";
function validate_grid(value,id,ind)
	{
	if(ind==1 || ind==2)
		{
			var patt=/^([0][0-9]|[1][0-9]|[2][0-3])[:]{1}[0-5][0-9]$/;
			if(!patt.test(value))
			{
				mygrid.setCellTextStyle(id,ind,"background-color:yellow;");
				if(err_str!="")
					err_str+="\n"+(ind+1)+".Enter numbers and : only..";
				else
					err_str=(ind+1)+".Enter numbers and : only";
				return false;
			}
			else
			{
				mygrid.setCellTextStyle(id,ind,"background-color:white;");
				return true;
			}
		}
}