/// <summary>
/// Performs asynchronous search with the current criteria and populates the list.
/// </summary>
/// <param name="preserveSelection">A flag indicating whether or not to preserve selection.</param>
/// <param name="token">Cancellation token.</param>
/// <returns>True on success, false in case of errors.</returns>
public virtual async Task <bool> SearchAsync(bool preserveSelection, CancellationToken token = default)
{
if (List == null)
{
return(false);
}
try
{
List.Validate(true);
ErrorList msgList = List.GetValidationErrors();
msgList.AbortIfHasErrors();
var res = await List.ReadAsync(new DataObject.CrudOptions {
PreserveSelection = preserveSelection
}, token);
msgList.MergeWith(res);
Errors = msgList;
return(!msgList.HasErrors());
}
catch (Exception ex)
{
Errors = ErrorParser.FromException(ex);
return(false);
}
}
/// <summary>
/// Performs the search with the current criteria and populates the list
/// </summary>
/// <param name="preserveSelection">A flag indicating whether or not to preserve selection.</param>
/// <returns>True on success, false in case of errors.</returns>
public virtual bool Search(bool preserveSelection)
{
if (List == null)
{
return(false);
}
try
{
List.Validate(true);
ErrorList msgList = List.GetValidationErrors();
msgList.AbortIfHasErrors();
msgList.MergeWith(List.Read(new DataObject.CrudOptions {
PreserveSelection = preserveSelection
}));
Errors = msgList;
return(!msgList.HasErrors());
}
catch (Exception ex)
{
Errors = ErrorParser.FromException(ex);
return(false);
}
}
