C # DataRow Comparison

  <summary>//DataRow comparison///</summary>//<param name= "DrA" ></param>        <param name= "DrB" ></param>///<param Name= "ColumnNames" > column names to be compared </param> <returns></returns> public static bool Datarowcompare (DataRow DrA, DataRow DrB, string[] ColumnName            s) {bool flag = false;            Column sort Columnsort (DrA, columnnames) that needs to be compared in a DataRow;            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)//column name comparison {                      Type comparison          if (dcb.datatype! = dca.datatype) {flag = FAL                                    Se                                Break }//Value compare else if (Compareobject (Dra[dcb.columnname], DRB[DCB.                                    ColumnName]) {flag = true;                                Break }}}}} Retu        RN Flag; }///<summary>///In the order of the column names in the array///</summary>//<param name= "DrA" ></param >//<param name= "ColumnNames" > Sort by column name in array </param> public static void Columnsort (DataRow DrA            , string[] columnnames) {//dra sort int i = 0; foreach (String columnName in ColumnNames)           {if (DrA.Table.Columns.Contains (ColumnName)) {DrA.Table.Colu Mns[columnname].                    Setordinal (i);                i++; }            }        }

Object Comparison method Compareobject (object Obja, Object OBJB):

C # Object Comparisons (value types, reference types)

Deep Copy Part code:

C # entity class serialization and deserialization one (XmlSerializer)

C # entity class serialization and deserialization two (DataContractSerializer)

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