1.雙擊datagridview中的一行，后臺獲取改行的一個或多個列

private void dgvImport_DoubleClick(object sender, EventArgs e){string documentNo = dgvImport.CurrentRow.Cells["DOCUMENT_NO"].Value.ToString();GetImportDetail(documentNo);}

2.dagagridview前添加checkbox按鈕，可以選中多行，后臺獲取選中的多行的列

string sel = this.dgvImportMaster.Rows[e.RowIndex].Cells["SELECTION"].Value.ToString();string documentNO = this.dgvImportMaster.Rows[e.RowIndex].Cells["DOCUMENT_NO"].Value.ToString();

?3.單元格值更改時

/// <summary>/// 單元格值更改時發生/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void dgvExpExportDetail_CellValueChanged(object sender, DataGridViewCellEventArgs e){if (dgvExpExportDetail.CurrentRow == null) return;if (dgvExpExportDetail.CurrentCell.OwningColumn.Name == "QUANTITY"){string filter = "COMMUNITY_CODE='" + dgvExpExportDetail.CurrentRow.Cells["COMMUNITY_CODE"].Value + "' AND DOCUMENT_NO='" + dgvExpExportDetail.CurrentRow.Cells["DOCUMENT_NO"].Value + "' AND ITEM_NO='" + dgvExpExportDetail.CurrentRow.Cells["ITEM_NO"].Value + "'";DataRow[] rowList = dsExpDetail.Tables[0].Select(filter);if (rowList.Length < 0){return;}DataRow newRow = rowList[0];if (!string.IsNullOrEmpty(newRow["EXP_CODE"].ToString())){decimal quantity = 0;if (!decimal.TryParse(dgvExpExportDetail.CurrentCell.Value.ToString(), out quantity)){MessageBox.Show("數量必須為數字!", "注意");newRow["QUANTITY"] = newRow["INVENTORY"];return;}if (quantity > decimal.Parse(newRow["INVENTORY"].ToString())){MessageBox.Show("數量不能大于庫存數量:" + newRow["INVENTORY"], "注意");newRow["QUANTITY"] = newRow["INVENTORY"];return;}newRow["QUANTITY"] = dgvExpExportDetail.CurrentCell.Value;}}}

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轉載于:https://www.cnblogs.com/sunping177/p/8301084.html

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