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<pre class="brush:php;toolbar:false;"> /// <summary> /// dataRow比较 /// </summary> /// <param name="drA"></param> /// <param name="drB"></param> /// <param name="columnNames">需要比较的列名称</param> /// <returns></returns> public static bool DataRowCompare(DataRow drA, DataRow drB, string[] columnNames) { bool flag = false; //DataRow 中需要比较的列排序 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)//列名比较 { //类型比较 if (dcB.DataType != dcA.DataType) { flag = false; break; } //值比较 else if (CompareObject(drA[dcB.ColumnName], drB[dcB.ColumnName])) { flag = true; break; } } } } } } return flag; } /// <summary> /// 按照数组中列名顺序排序 /// </summary> /// <param name="drA"></param> /// <param name="columnNames">按照数组中列名顺序排序</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++; } } }
Objektvergleichsmethode CompareObject(object objA, object objB):
C#-Objektvergleich (Werttyp, Referenz Typ)
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