Gridview Displaying Problem

Question

Dear Sir,
 

I am retrieving data from database and bind to dynamic gridview.
 
My problem is
 
I am retrieving class details on the basis of teacher names,but the o/p will bind in not proper way can u please solve my problem.
 
datatable dx = dk.Tables[0];
 
dx have some data
 

datatable df=dc.Table[0];
 
df have another data and it bind to dynamic gridview. It does't display in properway.
 
I am writing loop like this
 

int columnIndex = 1;            DataColumn newColumn = dx.Columns.Add(tim1, typeof(string));            int newColumnIndex = dx.Columns.IndexOf(newColumn);            for (int x = 0; x < df.Columns.Count; x++)            {                dx.Rows[x][newColumnIndex] = df.Rows[x][columnIndex];            }               GridView3.DataSource = dx;        GridView3.DataBind();