private void RecoveryTypeForm_Load(object sender, EventArgs e) { DataTable dt = TypeController.getRemovedType(); dataGridView1 = Module.MydataGridView(dataGridView1); DataGridViewButtonColumn testButtonColumn = new DataGridViewButtonColumn(); testButtonColumn.Name = "recovery"; testButtonColumn.Text = "Khôi phục"; testButtonColumn.HeaderText = ""; testButtonColumn.UseColumnTextForButtonValue = true; dataGridView1.DataSource = dt; int columnIndex = dataGridView1.Columns.Count; if (dataGridView1.Columns["recovery"] == null) { dataGridView1.Columns.Insert(columnIndex, testButtonColumn); } dataGridView1.Columns[0].Visible = false; dataGridView1.CellClick += DataGridView1_CellClick; }