SqlDataAdapter objadadptor = new SqlDataAdapter();
SqlConnection objconnecton = new SqlConnection("Data Source=localhost;Initial Catalog=kosar001;Integrated Security=True");
DataSet obgdata = new DataSet();
private void button1_Click(object sender, EventArgs e)
{
objadadptor.SelectCommand = new SqlCommand();
objadadptor.SelectCommand.Connection = objconnecton;
objadadptor.SelectCommand.CommandText = "Insert into Tbl_Khadamate values ('" + textBox1.Text + "','" + textBox2.Text + "','" + textBox3.Text + "' )";
objconnecton.Open();
objadadptor.Fill(obgdata, "tbl_ff1");
objconnecton.Close();