static internal DataColumn CreateDataColumnBySchemaAction(string sourceColumn, string dataSetColumn, DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
Debug.Assert(dataTable != null, "Should not call with a null DataTable");
if (ADP.IsEmpty(dataSetColumn))
{
return(null);
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
#if DEBUG
if (AdapterSwitches.DataSchema.TraceInfo)
{
Debug.WriteLine("schema add of DataColumn \"" + dataSetColumn + "\" <" + Convert.ToString(dataType, CultureInfo.InvariantCulture) + ">");
}
#endif
return(new DataColumn(dataSetColumn, dataType));
case MissingSchemaAction.Ignore:
#if DEBUG
if (AdapterSwitches.DataSchema.TraceWarning)
{
Debug.WriteLine("schema filter of DataColumn \"" + dataSetColumn + "\" <" + Convert.ToString(dataType, CultureInfo.InvariantCulture) + ">");
}
#endif
return(null);
case MissingSchemaAction.Error:
#if DEBUG
if (AdapterSwitches.DataSchema.TraceError)
{
Debug.WriteLine("schema error on DataColumn \"" + dataSetColumn + "\" <" + Convert.ToString(dataType, CultureInfo.InvariantCulture) + ">");
}
#endif
throw ADP.ColumnSchemaMissing(dataSetColumn, dataTable.TableName, sourceColumn);
}
throw ADP.InvalidMissingSchemaAction(schemaAction);
}
public static DataColumn GetDataColumnBySchemaAction(string sourceColumn, string dataSetColumn, DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (dataTable == null)
{
throw ADP.ArgumentNull("dataTable");
}
if (ADP.IsEmpty(dataSetColumn))
{
return(null);
}
DataColumnCollection columns = dataTable.Columns;
int index = columns.IndexOf(dataSetColumn);
if ((0 <= index) && (index < columns.Count))
{
DataColumn column = columns[index];
if (!ADP.IsEmpty(column.Expression))
{
throw ADP.ColumnSchemaExpression(sourceColumn, dataSetColumn);
}
if ((null != dataType) && (dataType.IsArray != column.DataType.IsArray))
{
throw ADP.ColumnSchemaMismatch(sourceColumn, dataType, column);
}
return(column);
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
return(new DataColumn(dataSetColumn, dataType));
case MissingSchemaAction.Ignore:
return(null);
case MissingSchemaAction.Error:
throw ADP.ColumnSchemaMissing(dataSetColumn, dataTable.TableName, sourceColumn);
}
throw ADP.InvalidMissingSchemaAction(schemaAction);
}
internal static DataColumn CreateDataColumnBySchemaAction(string sourceColumn, string dataSetColumn, DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
Debug.Assert(dataTable != null, "Should not call with a null DataTable");
if (string.IsNullOrEmpty(dataSetColumn))
{
return(null);
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
return(new DataColumn(dataSetColumn, dataType));
case MissingSchemaAction.Ignore:
return(null);
case MissingSchemaAction.Error:
throw ADP.ColumnSchemaMissing(dataSetColumn, dataTable.TableName, sourceColumn);
}
throw ADP.InvalidMissingSchemaAction(schemaAction);
}
internal static DataColumn?CreateDataColumnBySchemaAction(string?sourceColumn, string?dataSetColumn, DataTable dataTable, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties | DynamicallyAccessedMemberTypes.PublicFields)] Type?dataType, MissingSchemaAction schemaAction)
{
Debug.Assert(dataTable != null, "Should not call with a null DataTable");
if (string.IsNullOrEmpty(dataSetColumn))
{
return(null);
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
return(new DataColumn(dataSetColumn, dataType !));
case MissingSchemaAction.Ignore:
return(null);
case MissingSchemaAction.Error:
throw ADP.ColumnSchemaMissing(dataSetColumn, dataTable.TableName, sourceColumn);
}
throw ADP.InvalidMissingSchemaAction(schemaAction);
}
[EditorBrowsableAttribute(EditorBrowsableState.Advanced)] // MDAC 69508
public DataColumn GetDataColumnBySchemaAction(DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (null == dataTable)
{
throw ADP.NullDataTable("dataTable");
}
string dataSetColumn = DataSetColumn;
if (ADP.IsEmpty(dataSetColumn))
{
#if DEBUG
if (AdapterSwitches.DataSchema.TraceWarning)
{
Debug.WriteLine("explicit filtering of SourceColumn \"" + SourceColumn + "\"");
}
#endif
return(null);
}
DataColumnCollection columns = dataTable.Columns;
Debug.Assert(null != columns, "GetDataColumnBySchemaAction: unexpected null DataColumnCollection");
int index = columns.IndexOf(dataSetColumn);
if ((0 <= index) && (index < columns.Count))
{
DataColumn dataColumn = columns[index];
Debug.Assert(null != dataColumn, "GetDataColumnBySchemaAction: unexpected null dataColumn");
if (!ADP.IsEmpty(dataColumn.Expression))
{
#if DEBUG
if (AdapterSwitches.DataSchema.TraceError)
{
Debug.WriteLine("schema mismatch on DataColumn \"" + dataSetColumn + "\" which is a computed column");
}
#endif
throw ADP.ColumnSchemaExpression(SourceColumn, dataSetColumn);
}
if ((null == dataType) || (dataType.IsArray == dataColumn.DataType.IsArray))
{
#if DEBUG
if (AdapterSwitches.DataSchema.TraceInfo)
{
Debug.WriteLine("schema match on DataColumn \"" + dataSetColumn + "\"");
}
#endif
return(dataColumn);
}
#if DEBUG
if (AdapterSwitches.DataSchema.TraceWarning)
{
Debug.WriteLine("schema mismatch on DataColumn \"" + dataSetColumn + "\" " + dataType.Name + " != " + dataColumn.DataType.Name);
}
#endif
throw ADP.ColumnSchemaMismatch(SourceColumn, dataType, dataColumn);
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
#if DEBUG
if (AdapterSwitches.DataSchema.TraceInfo)
{
Debug.WriteLine("schema add of DataColumn \"" + dataSetColumn + "\" <" + Convert.ToString(dataType) + ">");
}
#endif
return(new DataColumn(dataSetColumn, dataType));
case MissingSchemaAction.Ignore:
#if DEBUG
if (AdapterSwitches.DataSchema.TraceWarning)
{
Debug.WriteLine("schema filter of DataColumn \"" + dataSetColumn + "\" <" + Convert.ToString(dataType) + ">");
}
#endif
return(null);
case MissingSchemaAction.Error:
#if DEBUG
if (AdapterSwitches.DataSchema.TraceError)
{
Debug.WriteLine("schema error on DataColumn \"" + dataSetColumn + "\" <" + Convert.ToString(dataType) + ">");
}
#endif
throw ADP.ColumnSchemaMissing(dataSetColumn, dataTable.TableName, SourceColumn);
}
throw ADP.InvalidSchemaAction((int)schemaAction);
}
