There is no row at the position 2. C#

Hi experts...I am printing data from datagridview using dataadapter and dataset...but i m getting error like There is no row at position 2...plz help me how i have to handle this...thanks
 
I m getting error in this statement in the following code:
 
((DataTable)wddgv.DataSource).Rows[i + row];
  

private

void DrawGridBody(Graphics g, int y_value)

        {

           

int x_value;

           

for (int i = 0; i < 5; ++i)

            {

               

DataRow dr =

                         ((

DataTable)wddgv.DataSource).Rows[i + row];

                x_value = 0;

               

// draw a solid line

                g.DrawLine(

Pens.Black, new Point(0, y_value),

                       

new Point(this.Width, y_value));

               

foreach (DataGridViewColumn dc in wddgv.Columns)

                {

                   

string text = dr[dc.DataPropertyName].ToString();

                    g.DrawString(text,

this.Font, Brushes.Black,

                                             (

float)x_value, (float)y_value + 10f);

                    x_value += dc.Width + 5;

                }

                y_value += 40;

            }

            row += 5;

        }