when I preforming the Update in grid view , its unable to updatating.
protected void gvPerson_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
TextBox txttitle;
txttitle = (TextBox)gvPerson.Rows[e.RowIndex].Cells[4].Controls[0];
TextBox txtname = (TextBox)gvPerson.Rows[e.RowIndex].Cells[5].Controls[0];
TextBox txtpassword = (TextBox)gvPerson.Rows[e.RowIndex].Cells[6].Controls[0];
TextBox txtmobilnumber = (TextBox)gvPerson.Rows[e.RowIndex].Cells[7].Controls[0];
TextBox txtemail = (TextBox)gvPerson.Rows[e.RowIndex].Cells[8].Controls[0];
TextBox createddatetime = (TextBox)gvPerson.Rows[e.RowIndex].Cells[9].Controls[0];
TextBox txtcreatorname = (TextBox)gvPerson.Rows[e.RowIndex].Cells[10].Controls[0];
string userid = gvPerson.Rows[e.RowIndex].Cells[3].Text;
cmd.Connection = con;
cmd.CommandText = "update Addnewuser set Title='" + txttitle + "',Name='" + txtname + "',Password='" + txtpassword + "',MobileNumber='" + txtmobilnumber + "',EmailID='" + txtemail + "',CreatorName='" + txtcreatorname+ "' where UserId='" + userid+"'";
con.Open();
cmd.ExecuteNonQuery();
con.Close();
gvPerson.EditIndex = -1;
fillgrid();
}