here it is my class grid
protected void gvclass_RowUpdating1(object sender, GridViewUpdateEventArgs e)
{
classinfo infoclass = new classinfo();
classsp spclass = new classsp();
GridViewRow row = gvclass.Rows[e.RowIndex];
infoclass.classId = decimal.Parse(gvclass.DataKeys[e.RowIndex].Value.ToString());
infoclass.className = ((TextBox)row.FindControl("txtclassname")).Text;
infoclass.noOfSeats = int.Parse(((TextBox)row.FindControl("txtno")).Text);
int a = spclass.ClassEdit(infoclass);
gvclass.EditIndex = -1;
gridfill();
}
after clicking editt
gettin' error
