How To Save grid view data in database like (Matrix).?

for (int i = 0; i < GridView1.Columns.Count - 2; i++)

{

for (int j = 0; j < GridView1.Rows.Count - 1; j++)

{

int Pid = i + 2;

string resss = "txtsurvey" + Pid.ToString();

TextBox tb = (TextBox)this.GridView1.Rows[j].Cells[0].FindControl(resss);

Label lbl = (Label)this.GridView1.Rows[j].Cells[0].FindControl("lblclscode");

if (tb != null && lbl != null)

{

if (tb.Text != "")

{

string result = tb.Text;

int res = objbus.InsertServeydetails(lblsurvey.Text.Trim(), lbllocation.Text.Trim(), lbl.Text, tb.Text, Session["LoginName"].ToString());

if (res > 0)

{

Successdiv.Visible = true;

errordiv.Visible = false;

lblsuccess.Text = "Survey Details Successfully Save.";

}

}

}

}

}

int x = 0;

DataTable dts1 = objbus.Findsurver(lblsurvey.Text.Trim(), Session["LoginName"].ToString());

if (dts1.Rows.Count > 0)

{

for (int i = 0; i < GridView1.Columns.Count - 2; i++)

{

for (int j = 0; j < GridView1.Rows.Count - 1; j++)

{

int Pid = i + 2;

string resss = "txtsurvey" + Pid.ToString();

TextBox box1 = (TextBox)this.GridView1.Rows[j].Cells[0].FindControl(resss);

if (box1 != null)

{

if (dts1.Rows[x]["Seuveydata"] != "")

{

box1.Text = dts1.Rows[x]["Seuveydata"].ToString();

//table.Columns.Add("SurveyDetails" + i, typeof(string));

//table.Rows.Add(new string[] { box1.Text.Trim() });

x++;

}

}

}

}

}