public int Update(DataTable dataTable)
{
/*
* int index = TableMappings.IndexOfDataSetTable (dataTable.TableName);
* if (index < 0)
* throw new ArgumentException ();
* return Update (dataTable, TableMappings [index]);
*/
DataTableMapping tableMapping = TableMappings.GetByDataSetTable(dataTable.TableName);
if (tableMapping == null)
{
tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction(
TableMappings,
dataTable.TableName,
dataTable.TableName,
MissingMappingAction);
if (tableMapping != null)
{
foreach (DataColumn col in dataTable.Columns)
{
if (tableMapping.ColumnMappings.IndexOf(col.ColumnName) >= 0)
{
continue;
}
DataColumnMapping columnMapping = DataColumnMappingCollection.GetColumnMappingBySchemaAction(tableMapping.ColumnMappings, col.ColumnName, MissingMappingAction);
if (columnMapping == null)
{
columnMapping = new DataColumnMapping(col.ColumnName, col.ColumnName);
}
tableMapping.ColumnMappings.Add(columnMapping);
}
}
else
{
ArrayList cmc = new ArrayList();
foreach (DataColumn col in dataTable.Columns)
{
cmc.Add(new DataColumnMapping(col.ColumnName, col.ColumnName));
}
tableMapping =
new DataTableMapping(
dataTable.TableName,
dataTable.TableName,
cmc.ToArray(typeof(DataColumnMapping)) as DataColumnMapping []);
}
}
return(Update(dataTable, tableMapping));
}
public int Update(DataRow [] dataRows)
{
if (dataRows == null)
{
throw new ArgumentNullException("dataRows");
}
if (dataRows.Length == 0)
{
return(0);
}
if (dataRows [0] == null)
{
throw new ArgumentException("dataRows[0].");
}
DataTable table = dataRows [0].Table;
if (table == null)
{
throw new ArgumentException("table is null reference.");
}
// all rows must be in the same table
for (int i = 0; i < dataRows.Length; i++)
{
if (dataRows [i] == null)
{
throw new ArgumentException("dataRows[" + i + "].");
}
if (dataRows [i].Table != table)
{
throw new ArgumentException(
" DataRow["
+ i
+ "] is from a different DataTable than DataRow[0].");
}
}
// get table mapping for this rows
DataTableMapping tableMapping = TableMappings.GetByDataSetTable(table.TableName);
if (tableMapping == null)
{
tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction(
TableMappings,
table.TableName,
table.TableName,
MissingMappingAction);
if (tableMapping != null)
{
foreach (DataColumn col in table.Columns)
{
if (tableMapping.ColumnMappings.IndexOf(col.ColumnName) >= 0)
{
continue;
}
DataColumnMapping columnMapping = DataColumnMappingCollection.GetColumnMappingBySchemaAction(tableMapping.ColumnMappings, col.ColumnName, MissingMappingAction);
if (columnMapping == null)
{
columnMapping = new DataColumnMapping(col.ColumnName, col.ColumnName);
}
tableMapping.ColumnMappings.Add(columnMapping);
}
}
else
{
ArrayList cmc = new ArrayList();
foreach (DataColumn col in table.Columns)
{
cmc.Add(new DataColumnMapping(col.ColumnName, col.ColumnName));
}
tableMapping =
new DataTableMapping(
table.TableName,
table.TableName,
cmc.ToArray(typeof(DataColumnMapping)) as DataColumnMapping []);
}
}
DataRow[] copy = table.NewRowArray(dataRows.Length);
Array.Copy(dataRows, 0, copy, 0, dataRows.Length);
return(Update(copy, tableMapping));
}