On performing The casting of  this.Controls[0] to Table i am getting exception "Specified argument was out of the range of valid values.Parameter name: index" in thef ollowing function in my code

int indexStop = this.PageSize;

Table myTable = (Table)this.Controls[0];   /// in this line i am getting the error

can any one help me

 Ensure that this.Controls actually contains at least 1 element.

eg.

Table myTable;

if (this.Controls.Count > 0)

{

  myTable = (Table)this.Controls[0]; 

}