internal FillErrorEventArgs CreateFillErrorEvent (DataTable dataTable, object[] values, Exception e)
{
FillErrorEventArgs args = new FillErrorEventArgs (dataTable, values);
args.Errors = e;
args.Continue = false;
return args;
}
private void OnFillErrorHandler(Exception e, DataTable dataTable, object[] dataValues) {
FillErrorEventArgs fillErrorEvent = new FillErrorEventArgs(dataTable, dataValues);
fillErrorEvent.Errors = e;
OnFillError(fillErrorEvent);
if (!fillErrorEvent.Continue) {
if (null != fillErrorEvent.Errors) {
throw fillErrorEvent.Errors;
}
throw e;
}
}
virtual protected void OnFillError(FillErrorEventArgs value) { // V1.2.3300, DbDataAdapter V1.0.3300
FillErrorEventHandler handler = (FillErrorEventHandler) Events[EventFillError];
if (null != handler) {
handler(this, value);
}
}
private void _dbDataAdapter_FillError(object sender, FillErrorEventArgs e)
{
base.OnFillError(e);
}
internal virtual void OnFillErrorInternal (FillErrorEventArgs value)
{
#if NET_2_0
OnFillError (value);
#endif
}
private static DataTable LoadTableFromEnumerable <T>(IEnumerable <T> source, DataTable table, LoadOption?options, FillErrorEventHandler errorHandler)
where T : DataRow
{
if (options.HasValue)
{
switch (options.Value)
{
case LoadOption.OverwriteChanges:
case LoadOption.PreserveChanges:
case LoadOption.Upsert:
break;
default:
throw DataSetUtil.InvalidLoadOption(options.Value);
}
}
using (IEnumerator <T> rows = source.GetEnumerator())
{
// need to get first row to create table
if (!rows.MoveNext())
{
return(table ?? throw DataSetUtil.InvalidOperation(SR.DataSetLinq_EmptyDataRowSource));
}
DataRow current;
if (table == null)
{
current = rows.Current;
if (current == null)
{
throw DataSetUtil.InvalidOperation(SR.DataSetLinq_NullDataRow);
}
table = new DataTable()
{
Locale = CultureInfo.CurrentCulture
};
// We do not copy the same properties that DataView.ToTable does.
// If user needs that functionality, use other CopyToDataTable overloads.
// The reasoning being, the IEnumerator<DataRow> can be sourced from
// different DataTable, so we just use the "Default" instead of resolving the difference.
foreach (DataColumn column in current.Table.Columns)
{
table.Columns.Add(column.ColumnName, column.DataType);
}
}
table.BeginLoadData();
try
{
do
{
current = rows.Current;
if (current == null)
{
continue;
}
object[] values = null;
try
{
// 'recoverable' error block
switch (current.RowState)
{
case DataRowState.Detached:
if (!current.HasVersion(DataRowVersion.Proposed))
{
throw DataSetUtil.InvalidOperation(SR.DataSetLinq_CannotLoadDetachedRow);
}
goto case DataRowState.Added;
case DataRowState.Unchanged:
case DataRowState.Added:
case DataRowState.Modified:
values = current.ItemArray;
if (options.HasValue)
{
table.LoadDataRow(values, options.Value);
}
else
{
table.LoadDataRow(values, fAcceptChanges: true);
}
break;
case DataRowState.Deleted:
throw DataSetUtil.InvalidOperation(SR.DataSetLinq_CannotLoadDeletedRow);
default:
throw DataSetUtil.InvalidDataRowState(current.RowState);
}
}
catch (Exception e)
{
if (!DataSetUtil.IsCatchableExceptionType(e))
{
throw;
}
FillErrorEventArgs fillError = null;
if (null != errorHandler)
{
fillError = new FillErrorEventArgs(table, values)
{
Errors = e
};
errorHandler.Invoke(rows, fillError);
}
if (null == fillError)
{
throw;
}
else if (!fillError.Continue)
{
if (ReferenceEquals(fillError.Errors ?? e, e))
{
// if user didn't change exception to throw (or set it to null)
throw;
}
else
{
// user may have changed exception to throw in handler
throw fillError.Errors;
}
}
}
} while (rows.MoveNext());
}
finally
{
table.EndLoadData();
}
}
Debug.Assert(null != table, "null DataTable");
return(table);
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// fillerroreventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this FillErrorEventHandler fillerroreventhandler, Object sender, FillErrorEventArgs e, AsyncCallback callback)
{
if(fillerroreventhandler == null) throw new ArgumentNullException("fillerroreventhandler");
return fillerroreventhandler.BeginInvoke(sender, e, callback, null);
}
internal virtual void OnFillErrorInternal (FillErrorEventArgs value)
{
OnFillError (value);
}
/// <summary>Invoked when an error occurs during a Fill.</summary>
/// <param name="value">A <see cref="T:System.Data.FillErrorEventArgs" /> object.</param>
protected virtual void OnFillError(FillErrorEventArgs value)
{
FillErrorEventHandler fillErrorEventHandler = (FillErrorEventHandler)base.Events[NativeDataAdapter.EventFillError];
if (fillErrorEventHandler != null)
{
fillErrorEventHandler(this, value);
}
}
private void OnFillErrorHandler(Exception e, DataTable dataTable, object[] dataValues)
{
FillErrorEventArgs fillErrorEventArgs = new FillErrorEventArgs(dataTable, dataValues);
fillErrorEventArgs.Errors = e;
this.OnFillError(fillErrorEventArgs);
if (fillErrorEventArgs.Continue)
{
return;
}
if (fillErrorEventArgs.Errors != null)
{
throw fillErrorEventArgs.Errors;
}
throw e;
}
private void ExecuteSqlFillErrorHandler(object sender, FillErrorEventArgs e)
{
log.Error("ExecuteSqlFillErrorHandler", e.Errors);
// Setting e.Continue to True tells the Load method to continue trying. Setting it to False
// indicates that an error has occurred, and the Load method raises the exception that got
// you here.
e.Continue = true;
}
private void OnFillErrorHandler(Exception e, DataTable dataTable, object[] dataValues)
{
FillErrorEventArgs args = new FillErrorEventArgs(dataTable, dataValues) {
Errors = e
};
this.OnFillError(args);
if (!args.Continue)
{
if (args.Errors != null)
{
throw args.Errors;
}
throw e;
}
}
protected virtual void OnFillError(FillErrorEventArgs value)
{
FillErrorEventHandler handler = (FillErrorEventHandler) base.Events[EventFillError];
if (handler != null)
{
handler(this, value);
}
}
private static void da_FillError(object sender, FillErrorEventArgs e)
{
fillError = e.Errors.Message;
e.Continue = true;
}
static void adapter_FillError(object sender, FillErrorEventArgs e)
{
}
private void dbDA_FillError(object sender, FillErrorEventArgs args) {
blnReadDBData_Fill = true;
args.Continue = false;
}
internal override void OnFillErrorInternal (FillErrorEventArgs value)
{
OnFillError (value);
}
void ErrorHandler (object sender, FillErrorEventArgs args)
{
args.Continue = FillErrorContinue;
}
internal static int FillFromReader (DataTable table,
IDataReader reader,
int start,
int length,
int [] mapping,
LoadOption loadOption,
FillErrorEventHandler errorHandler)
{
if (reader.FieldCount == 0)
return 0 ;
for (int i = 0; i < start; i++)
reader.Read ();
int counter = 0;
object [] values = new object [mapping.Length];
while (reader.Read () && (length == 0 || counter < length)) {
for (int i = 0 ; i < mapping.Length; i++)
values [i] = mapping [i] < 0 ? null : reader [mapping [i]];
table.BeginLoadData ();
try {
table.LoadDataRow (values, loadOption);
} catch (Exception e) {
FillErrorEventArgs args = new FillErrorEventArgs (table, values);
args.Errors = e;
args.Continue = false;
errorHandler (table, args);
// if args.Continue is not set to true or if a handler is not set, rethrow the error..
if(!args.Continue)
throw e;
}
table.EndLoadData ();
counter++;
}
return counter;
}
protected virtual void OnFillError (FillErrorEventArgs value)
{
if (FillError != null)
FillError (this, value);
}
private void fillErrorHandler (object sender, FillErrorEventArgs e) {
e.Continue = fillErr[fillErrCounter].contFlag;
Assert.AreEqual (fillErr[fillErrCounter].tableName, e.DataTable.TableName, "fillErr-T");
Assert.AreEqual (fillErr[fillErrCounter].contFlag, e.Continue, "fillErr-C");
fillErrCounter++;
}
private void fillErrorHandler (object sender, FillErrorEventArgs e)
{
e.Continue = fillErr[fillErrCounter].contFlag;
Assert.AreEqual (fillErr[fillErrCounter].tableName, e.DataTable.TableName, "fillErr-T");
//Assert.AreEqual (fillErr[fillErrCounter].rowKey, e.Values[0], "fillErr-R");
Assert.AreEqual (fillErr[fillErrCounter].contFlag, e.Continue, "fillErr-C");
//Assert.AreEqual (fillErr[fillErrCounter].error, e.Errors.Message, "fillErr-E");
fillErrCounter++;
}
private void OnAdapterFillError(object sender, FillErrorEventArgs e)
{
e.Continue = true;
}