static private DataTable SaveDynamicCollection_Deletes(esDataRequest request)
{
VistaDBCommand cmd = null;
DataTable dataTable = CreateDataTable(request);
using (esTransactionScope scope = new esTransactionScope())
{
using (VistaDBDataAdapter da = new VistaDBDataAdapter())
{
da.AcceptChangesDuringUpdate = false;
da.ContinueUpdateOnError = request.ContinueUpdateOnError;
try
{
cmd = da.DeleteCommand = Shared.BuildDynamicDeleteCommand(request, request.CollectionSavePacket[0].ModifiedColumns);
esTransactionScope.Enlist(cmd, request.ConnectionString, CreateIDbConnectionDelegate);
DataRow[] singleRow = new DataRow[1];
// Delete each record
foreach (esEntitySavePacket packet in request.CollectionSavePacket)
{
DataRow row = dataTable.NewRow();
dataTable.Rows.Add(row);
SetOriginalValues(request, packet, row, true);
row.AcceptChanges();
row.Delete();
singleRow[0] = row;
da.Update(singleRow);
if (row.HasErrors)
{
request.FireOnError(packet, row.RowError);
}
dataTable.Rows.Clear(); // ADO.NET won't let us reuse the same DataRow
}
}
finally
{
esTransactionScope.DeEnlist(cmd);
cmd.Dispose();
}
}
scope.Complete();
}
return(request.Table);
}
static private DataTable SaveDynamicCollection_InsertsUpdates(esDataRequest request)
{
DataTable dataTable = CreateDataTable(request);
using (esTransactionScope scope = new esTransactionScope())
{
using (VistaDBDataAdapter da = new VistaDBDataAdapter())
{
da.AcceptChangesDuringUpdate = false;
da.ContinueUpdateOnError = request.ContinueUpdateOnError;
VistaDBCommand cmd = null;
if (!request.IgnoreComputedColumns)
{
da.RowUpdated += new VistaDBRowUpdatedEventHandler(OnRowUpdated);
}
foreach (esEntitySavePacket packet in request.CollectionSavePacket)
{
if (packet.RowState != esDataRowState.Added && packet.RowState != esDataRowState.Modified)
{
continue;
}
DataRow row = dataTable.NewRow();
dataTable.Rows.Add(row);
switch (packet.RowState)
{
case esDataRowState.Added:
cmd = da.InsertCommand = Shared.BuildDynamicInsertCommand(request, packet.ModifiedColumns);
SetModifiedValues(request, packet, row);
break;
case esDataRowState.Modified:
cmd = da.UpdateCommand = Shared.BuildDynamicUpdateCommand(request, packet.ModifiedColumns);
SetOriginalValues(request, packet, row, false);
SetModifiedValues(request, packet, row);
row.AcceptChanges();
row.SetModified();
break;
}
request.Properties["esDataRequest"] = request;
request.Properties["esEntityData"] = packet;
dataTable.ExtendedProperties["props"] = request.Properties;
DataRow[] singleRow = new DataRow[1];
singleRow[0] = row;
try
{
esTransactionScope.Enlist(cmd, request.ConnectionString, CreateIDbConnectionDelegate);
da.Update(singleRow);
if (row.HasErrors)
{
request.FireOnError(packet, row.RowError);
}
}
finally
{
esTransactionScope.DeEnlist(cmd);
dataTable.Rows.Clear();
}
if (!row.HasErrors && cmd.Parameters != null)
{
foreach (VistaDBParameter param in cmd.Parameters)
{
switch (param.Direction)
{
case ParameterDirection.Output:
case ParameterDirection.InputOutput:
packet.CurrentValues[param.SourceColumn] = param.Value;
break;
}
}
}
cmd.Dispose();
}
}
scope.Complete();
}
return(dataTable);
}
static private DataTable SaveStoredProcCollection(esDataRequest request)
{
bool needToInsert = false;
bool needToUpdate = false;
bool needToDelete = false;
Dictionary <DataRow, esEntitySavePacket> rowMapping = null;
if (request.ContinueUpdateOnError)
{
rowMapping = new Dictionary <DataRow, esEntitySavePacket>();
}
//================================================
// Create the DataTable ...
//================================================
DataTable dataTable = CreateDataTable(request);
foreach (esEntitySavePacket packet in request.CollectionSavePacket)
{
DataRow row = dataTable.NewRow();
switch (request.EntitySavePacket.RowState)
{
case esDataRowState.Added:
SetModifiedValues(request, packet, row);
dataTable.Rows.Add(row);
if (request.ContinueUpdateOnError)
{
rowMapping[row] = packet;
}
break;
case esDataRowState.Modified:
SetOriginalValues(request, packet, row, false);
SetModifiedValues(request, packet, row);
dataTable.Rows.Add(row);
row.AcceptChanges();
row.SetModified();
if (request.ContinueUpdateOnError)
{
rowMapping[row] = packet;
}
break;
case esDataRowState.Deleted:
SetOriginalValues(request, packet, row, true);
dataTable.Rows.Add(row);
row.AcceptChanges();
row.Delete();
if (request.ContinueUpdateOnError)
{
rowMapping[row] = packet;
}
break;
}
}
if (Shared.HasUpdates(dataTable.Rows, out needToInsert, out needToUpdate, out needToDelete))
{
using (SADataAdapter da = new SADataAdapter())
{
da.AcceptChangesDuringUpdate = false;
da.ContinueUpdateOnError = request.ContinueUpdateOnError;
SACommand cmd = null;
if (needToInsert)
{
da.InsertCommand = cmd = Shared.BuildStoredProcInsertCommand(request);
}
if (needToUpdate)
{
da.UpdateCommand = cmd = Shared.BuildStoredProcUpdateCommand(request);
}
if (needToDelete)
{
da.DeleteCommand = cmd = Shared.BuildStoredProcDeleteCommand(request);
}
using (esTransactionScope scope = new esTransactionScope())
{
if (needToInsert)
{
esTransactionScope.Enlist(da.InsertCommand, request.ConnectionString, CreateIDbConnectionDelegate);
}
if (needToUpdate)
{
esTransactionScope.Enlist(da.UpdateCommand, request.ConnectionString, CreateIDbConnectionDelegate);
}
if (needToDelete)
{
esTransactionScope.Enlist(da.DeleteCommand, request.ConnectionString, CreateIDbConnectionDelegate);
}
try
{
da.Update(dataTable);
}
finally
{
if (needToInsert)
{
esTransactionScope.DeEnlist(da.InsertCommand);
}
if (needToUpdate)
{
esTransactionScope.DeEnlist(da.UpdateCommand);
}
if (needToDelete)
{
esTransactionScope.DeEnlist(da.DeleteCommand);
}
}
scope.Complete();
}
}
if (request.ContinueUpdateOnError && dataTable.HasErrors)
{
DataRow[] errors = dataTable.GetErrors();
foreach (DataRow rowWithError in errors)
{
request.FireOnError(rowMapping[rowWithError], rowWithError.RowError);
}
}
}
return(request.Table);
}