private void load() { string sql = "select * from customer"; SqlDataAdapter myAdapter = new SqlDataAdapter(sql, con); DataSet myDataSet = new DataSet("customer"); myAdapter.Fill(myDataSet); dataGridView1.DataSource = myDataSet; } private void button4_Click(object sender, EventArgs e) { if (txtname.Text != "" & txtage.Text != "") { con.Open(); //simple com.CommandText = "insert into customer(customerName,customerCode) values ('" + txtname.Text + "','" + txtage.Text + "')"; com.ExecuteNonQuery(); con.Close(); MessageBox.Show("record inserted"); load(); } else MessageBox.Show("data entry error"); }
DataTable myDataTable = new DataTable("customer"); myAdapter.Fill(myDataTable); dataGridView1.DataSource = myDataTable;
var
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