public static bool ClearAndMirrorCompleteDataSetTo(WCFStandardsNS.WCFStandards TargetDataBase, DataSet DataSetToMirror)
{
if (DataSetToMirror == null)
return true;
foreach (DataTable SourceTable in DataSetToMirror.Tables)
{
String DeleteCommand = "Delete from " + SourceTable.TableName;
TargetDataBase.RunSQLBatch(DeleteCommand);
}
return MirrorDataSetTo(TargetDataBase, DataSetToMirror);
}
public static bool MirrorDataSetTo(WCFStandardsNS.WCFStandards TargetDataBase, DataSet DataSetToMirror)
{
if (DataSetToMirror == null)
return true;
foreach (DataTable SourceTable in DataSetToMirror.Tables)
{
DataTable DeletedRows = SourceTable.GetChanges(DataRowState.Deleted);
if (DeletedRows != null)
foreach (DataRow ToDelete in DeletedRows.Rows)
{
if (TargetDataBase.GetCommonDataSet
("Select ID from " + SourceTable.TableName
+ " where ID = '" + ToDelete["ID"].ToString() + "'")
.Tables[SourceTable.TableName].Rows.Count > 0)
{
String DeleteCommand = "Delete from " + SourceTable.TableName
+ " where ID = '" + ToDelete["ID"].ToString() + "'";
TargetDataBase.RunSQLBatch(DeleteCommand);
}
}
List<String> SourceIDs = new List<string>();
foreach (DataRow SourceRow in SourceTable.Rows)
if (SourceRow.RowState != DataRowState.Deleted)
SourceIDs.Add(SourceRow["ID"].ToString());
if (SourceIDs.Count == 0)
continue;
String WhereClause = " where (ID = '" + String.Join("' or ID = '", SourceIDs.ToArray()) + "') ";
DataSet TargetDataSet = TargetDataBase.GetCommonDataSet("Select * from "
+ SourceTable.TableName + WhereClause);
if (TargetDataSet == null)
{
WMB.Basics.ReportErrorToEventViewer("MBRStatics.MirrorDataSetTo",
"Bei der Table \"" + SourceTable.TableName + "\" konnte nichts gelesen werden");
return false;
}
foreach (DataRow SourceRow in SourceTable.Rows)
{
DataRow[] TargetRows = TargetDataSet.Tables[SourceTable.TableName]
.Select("ID = '" + SourceRow["ID"].ToString() + "'");
if (TargetRows.Length > 1)
{
WMB.Basics.ReportErrorToEventViewer("MBRStatics.MirrorDataSetTo",
"Bei der Table \"" + SourceTable.TableName + "\" für die ID \""
+ SourceRow["ID"].ToString() + "\" gibt es mehr als einen Record!!!");
return false;
}
if (TargetRows.Length > 1)
{
WMB.Basics.ReportErrorToEventViewer("MBRStatics.MirrorDataSetTo",
"Bei der Tabelle \"" + SourceTable.TableName + "\"\r\n"
+ "Bei der ID \"" + SourceRow["ID"].ToString() +
"\" tritt ein Datenbank Fehler auf.\r\n"
+ "Mehr als ein Record für diese ID");
continue;
}
DataRow TargetRow = null;
if (TargetRows.Length < 1)
{
TargetRow = TargetDataSet.Tables[SourceTable.TableName].NewRow();
TargetRow["ID"] = SourceRow["ID"].ToString();
TargetRow["LastUpdateToken"] = WMB.Basics.GetNextLastUpdateTokenHelper();
TargetDataSet.Tables[SourceTable.TableName].Rows.Add(TargetRow);
}
else
{
TargetRow = TargetRows[0];
}
foreach (DataColumn Col in TargetDataSet.Tables[SourceTable.TableName].Columns)
{
if (Col.ColumnName != "ID")
if (String.Compare(TargetRow[Col.ColumnName].ToString(),
SourceRow[Col.ColumnName].ToString()) != 0)
{
if (Convert.IsDBNull(SourceRow[Col.ColumnName]) == true)
TargetRow[Col.ColumnName] = Convert.DBNull;
else
TargetRow[Col.ColumnName] = SourceRow[Col.ColumnName].ToString();
}
}
}
String ReturnMessage = TargetDataBase.SetCommonDataSet(TargetDataSet);
if (!String.IsNullOrEmpty(ReturnMessage))
{
WMB.Basics.ReportErrorToEventViewer("MBRStatics.MirrorDataSetTo",
"Bei der Table \"" + SourceTable.TableName + "\" kam es zu folgendem Fehler:\r\n"
+ ReturnMessage);
return false;
}
}
return true;
}
public static String ModifyThisRow(WCFStandardsNS.WCFStandards DataBase, DataRow RowToStore)
{
if (RowToStore == null)
return String.Empty;
String TableName = RowToStore.Table.TableName;
List<String> SetCommandPart = new List<string>();
foreach (DataColumn Col in RowToStore.Table.Columns)
{
if (Col.ColumnName == "ID")
continue;
if (RowToStore[Col.ColumnName] == Convert.DBNull)
{
SetCommandPart.Add(Col.ColumnName + " = NULL");
continue;
}
if ((Col.DataType == typeof(Int32))
|| (Col.DataType == typeof(Int64))
|| (Col.DataType == typeof(Double))
)
{
SetCommandPart.Add(Col.ColumnName + " = " + RowToStore[Col.ColumnName].ToString());
continue;
}
if (Col.DataType == typeof(DateTime))
{
SetCommandPart.Add(Col.ColumnName + " = Convert (DateTime, '" + Convert.ToDateTime(RowToStore[Col.ColumnName])
.ToString(WMB.Basics.ISO_DATE_TIME_FORMAT) + "', 120)");
continue;
}
SetCommandPart.Add(Col.ColumnName + " = '" + RowToStore[Col.ColumnName].ToString() + "'");
}
String UpdateStatement = "Update " + RowToStore.Table.TableName + " set " +
String.Join(", ", SetCommandPart.ToArray())
+ " where ID = '" + RowToStore["ID"].ToString() + "'";
return DataBase.RunSQLBatch(UpdateStatement);
}
