private void buttonValiderClient_Click(object sender, EventArgs e) { if (isModif == false) { DataSet1TableAdapters.clientTableAdapter clientAdaptater = new DataSet1TableAdapters.clientTableAdapter(); DataSet1TableAdapters.clientTableAdapter intervetionAdaptater = new DataSet1TableAdapters.clientTableAdapter(); DataSet1.clientDataTable tab1 = new DataSet1.clientDataTable(); clientAdaptater.Insert(denominationClient.Text); MessageBox.Show("Client crée avec succès"); client_initialize(); denominationClient.Text = ""; //ToggleFormClient(); groupBoxClient.Enabled = false; } else { int selectedrowindex = dataGrid_Listing_Client.SelectedCells[0].RowIndex; DataGridViewRow selectedRow = dataGrid_Listing_Client.Rows[selectedrowindex]; int idClient = Convert.ToInt32(selectedRow.Cells[0].Value); SqlCommand cmd = connection.CreateCommand(); string name = denominationClient.Text; //cmd.CommandText = "UPDATE client SET name = "+ name +" WHERE id_client = "+idClient; cmd.CommandText = "UPDATE client SET name = @name WHERE id_client= " + idClient; cmd.Parameters.AddWithValue("name", name); SqlDataAdapter adap = new SqlDataAdapter(cmd); DataSet ds = new DataSet(); adap.Fill(ds); client_initialize(); MessageBox.Show("Client modifié avec avec succès"); isModif = false; // ToggleFormClient(); denominationClient.Text = ""; groupBoxClient.Enabled = false; } }