protected virtual DataTable SaveDataImplementation(ChangeList changeList, object parameters, string loadMethod)
{
if ((_adapter != null) && (_updateMethod != null))
{
DataTable dataTable = GetData(parameters, loadMethod);
foreach (object rowToDelete in changeList.Deleted)
{
FindRow(GetDictionary(rowToDelete, dataTable.Columns), dataTable).Delete();
}
foreach (object rowToUpdate in changeList.Updated)
{
BaseTypedDictionary rowDict = GetDictionary(rowToUpdate, dataTable.Columns);
DataRow tableRow = FindRow(rowDict, dataTable);
CopyToRow(rowDict, tableRow);
}
foreach (object rowToInsert in changeList.Inserted)
{
DataRow newRow = dataTable.NewRow();
dataTable.Rows.Add(newRow);
BaseTypedDictionary rowDict = GetDictionary(rowToInsert, dataTable.Columns);
CopyToRow(rowDict, newRow);
}
_updateMethod.Invoke(_adapter, new object[] { dataTable });
return(dataTable);
}
else
{
MethodInfo deleteMethod = GetDataMethod(DataObjectMethodType.Delete);
MethodInfo updateMethod = GetDataMethod(DataObjectMethodType.Update);
MethodInfo insertMethod = GetDataMethod(DataObjectMethodType.Insert);
if (deleteMethod != null)
{
foreach (object rowToDelete in changeList.Deleted)
{
InvokeMethod(deleteMethod, this, rowToDelete);
}
}
else if (changeList.Deleted.Length != 0)
{
throw new InvalidOperationException("The Data Service must implement one method marked with the DataObjectMethod(DataObjectMethodType.Delete) attribute to handle deleted rows.");
}
if (updateMethod != null)
{
foreach (object rowToUpdate in changeList.Updated)
{
InvokeMethod(updateMethod, this, rowToUpdate);
}
}
else if (changeList.Updated.Length != 0)
{
throw new InvalidOperationException("The Data Service must implement one method marked with the DataObjectMethod(DataObjectMethodType.Update) attribute to handle updated rows.");
}
if (insertMethod != null)
{
foreach (object rowToInsert in changeList.Inserted)
{
InvokeMethod(insertMethod, this, rowToInsert);
}
}
else if (changeList.Inserted.Length != 0)
{
throw new InvalidOperationException("The Data Service must implement one method marked with the DataObjectMethod(DataObjectMethodType.Insert) attribute to handle inserted rows.");
}
return(GetData(parameters, loadMethod));
}
}
protected virtual DataTable SaveDataImplementation(ChangeList changeList, object parameters, string loadMethod) {
if ((_adapter != null) && (_updateMethod != null)) {
DataTable dataTable = GetData(parameters, loadMethod);
foreach (object rowToDelete in changeList.Deleted) {
FindRow(GetDictionary(rowToDelete, dataTable.Columns), dataTable).Delete();
}
foreach (object rowToUpdate in changeList.Updated) {
BaseTypedDictionary rowDict = GetDictionary(rowToUpdate, dataTable.Columns);
DataRow tableRow = FindRow(rowDict, dataTable);
CopyToRow(rowDict, tableRow);
}
foreach (object rowToInsert in changeList.Inserted) {
DataRow newRow = dataTable.NewRow();
dataTable.Rows.Add(newRow);
BaseTypedDictionary rowDict = GetDictionary(rowToInsert, dataTable.Columns);
CopyToRow(rowDict, newRow);
}
_updateMethod.Invoke(_adapter, new object[] { dataTable });
return dataTable;
}
else {
MethodInfo deleteMethod = GetDataMethod(DataObjectMethodType.Delete);
MethodInfo updateMethod = GetDataMethod(DataObjectMethodType.Update);
MethodInfo insertMethod = GetDataMethod(DataObjectMethodType.Insert);
if (deleteMethod != null) {
foreach (object rowToDelete in changeList.Deleted) {
InvokeMethod(deleteMethod, this, rowToDelete);
}
}
else if (changeList.Deleted.Length != 0) {
throw new InvalidOperationException("The Data Service must implement one method marked with the DataObjectMethod(DataObjectMethodType.Delete) attribute to handle deleted rows.");
}
if (updateMethod != null) {
foreach (object rowToUpdate in changeList.Updated) {
InvokeMethod(updateMethod, this, rowToUpdate);
}
}
else if (changeList.Updated.Length != 0) {
throw new InvalidOperationException("The Data Service must implement one method marked with the DataObjectMethod(DataObjectMethodType.Update) attribute to handle updated rows.");
}
if (insertMethod != null) {
foreach (object rowToInsert in changeList.Inserted) {
InvokeMethod(insertMethod, this, rowToInsert);
}
}
else if (changeList.Inserted.Length != 0) {
throw new InvalidOperationException("The Data Service must implement one method marked with the DataObjectMethod(DataObjectMethodType.Insert) attribute to handle inserted rows.");
}
return GetData(parameters, loadMethod);
}
}
public DataTable SaveData(ChangeList changeList, object parameters, string loadMethod)
{
return(SaveDataImplementation(changeList, parameters, loadMethod));
}
public DataTable SaveData(ChangeList changeList, object parameters, string loadMethod) {
return SaveDataImplementation(changeList, parameters, loadMethod);
}