private void btnDelete_Click(object sender, EventArgs e) { int materialId; //DialogResult strDelete = MessageBox.Show("确定要删除选定记录吗?", "提示", MessageBoxButtons.YesNo); //if (strDelete.ToString().Equals("No")) //{ // return; //} if (dgvMaterial.SelectedRows.Count > 0) { if (MessageBox.Show("确定要删除选定记录吗?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information) == DialogResult.OK) { try { if (dgvMaterial.SelectedRows.Count > 0) { materialId = Convert.ToInt32((dgvMaterial.SelectedRows[0].DataBoundItem as DataRowView).Row["id"].ToString()); if (mLogic.FrmMaterialDelete(materialId)) { //MessageBox.Show("删除记录成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); SetDataGridView("", 0); } } } catch (Exception) { MessageBox.Show("记录正在使用,无法删除!"); } } } else { MessageBox.Show("请选择要删除的行!"); } }