/// <summary> /// dataRow比較 /// </summary> /// <param name="drA"></param> /// <param name="drB"></param> /// <param name="columnNames">需要比較的列名稱</param> /// <returns></returns> public static bool DataRowCompare(DataRow drA, DataRow drB, string[] columnNames) { bool flag = false; //DataRow 中需要比較的列排序 ColumnSort(drA, columnNames); ColumnSort(drB, columnNames); foreach (DataColumn dcA in drA.Table.Columns) { if (columnNames.Contains(dcA.ColumnName)) { foreach (DataColumn dcB in drB.Table.Columns) { if (columnNames.Contains(dcB.ColumnName)) { if (dcB.ColumnName == dcA.ColumnName)//列名比較 { //類型比較 if (dcB.DataType != dcA.DataType) { flag = false; break; } //值比較 else if (CompareObject(drA[dcB.ColumnName], drB[dcB.ColumnName])) { flag = true; break; } } } } } } return flag; } /// <summary> /// 按照數組中列名順序排序 /// </summary> /// <param name="drA"></param> /// <param name="columnNames">按照數組中列名順序排序</param> public static void ColumnSort(DataRow drA, string[] columnNames) { //drA 排序 int i = 0; foreach (string columnName in columnNames) { if (drA.Table.Columns.Contains(columnName)) { drA.Table.Columns[columnName].SetOrdinal(i); i++; } } }
對象比較方法 CompareObject(object objA, object objB):
C# 對象比較(實值型別、參考型別)
深拷貝部分代碼:
C# 實體類序列化與還原序列化一 (XmlSerializer)
C# 實體類序列化與還原序列化二 (DataContractSerializer)
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