/// <summary>
/// Raises the <see cref="Inserted"/> event.
/// </summary>
/// <param name="args">The <see cref="NIntegrate.Web.EventArgs.DataSourceStatusEventArgs"/> instance containing the event data.</param>
internal void OnInserted(DataSourceStatusEventArgs args)
{
if (Inserted != null)
{
Inserted(this, args);
}
}
/// <summary>
/// Raises the <see cref="Updated"/> event.
/// </summary>
/// <param name="args">The <see cref="NIntegrate.Web.EventArgs.DataSourceStatusEventArgs"/> instance containing the event data.</param>
internal void OnUpdated(DataSourceStatusEventArgs args)
{
if (Updated != null)
{
Updated(this, args);
}
}
/// <summary>
/// Raises the <see cref="Deleted"/> event.
/// </summary>
/// <param name="args">The <see cref="NIntegrate.Web.EventArgs.DataSourceStatusEventArgs"/> instance containing the event data.</param>
internal void OnDeleted(DataSourceStatusEventArgs args)
{
if (Deleted != null)
{
Deleted(this, args);
}
}
protected override int ExecuteInsert(IDictionary values)
{
if (_owner.Criteria == null)
{
throw new ArgumentException("Missing QueryTableType or Criteria setting on QueryDataSource");
}
if (values == null || values.Count == 0)
{
throw new ArgumentNullException("values");
}
var insertingArgs = new DataSourceInsertingEventArgs(values);
_owner.OnInserting(insertingArgs);
if (insertingArgs.Cancel)
{
return(0);
}
var criteria = CreateInsertCriteria(values);
var affectedRows = _owner.QueryService.Execute(criteria, false);
var statusArgs = new DataSourceStatusEventArgs(this, affectedRows);
_owner.OnInserted(statusArgs);
if (affectedRows > 0)
{
OnDataSourceViewChanged(System.EventArgs.Empty);
}
return(affectedRows);
}
/// <summary>
/// This method checks if the search resulted in any hits. If not it hides the searchResult and displays a "no results" message.
/// </summary>
/// <param name="sender">The sender (the SearchDataSource).</param>
/// <param name="e">The <see cref="EPiServer.Web.WebControls.DataSourceStatusEventArgs"/> instance containing the event data.</param>
protected void HandleEmptyResult(object sender, DataSourceStatusEventArgs e)
{
if (e.AffectedRows < 1)
{
SearchResult.Visible = false;
NoSearchResult.Visible = true;
}
}
/// <summary>
/// This method checks if the search resulted in any hits. If not it hides the searchResult and displays a "no results" message.
/// </summary>
/// <param name="sender">The sender (the SearchDataSource).</param>
/// <param name="e">The <see cref="EPiServer.Web.WebControls.DataSourceStatusEventArgs"/> instance containing the event data.</param>
protected void HandleEmptyResult(object sender, DataSourceStatusEventArgs e)
{
if (e.AffectedRows < 1)
{
SearchResult.Visible = false;
NoSearchResult.Visible = true;
}
}
/// <summary>
/// This method looks for exceptions in the DataSourceStatusEventArgs parameter and invalidates a validator with the corresponding exception message
/// </summary>
protected void HandleErrors(object sender, DataSourceStatusEventArgs e)
{
if (e.Exception == null)
{
return;
}
SearchKeywordsValidator.ErrorMessage = e.Exception.Message;
SearchKeywordsValidator.Text = e.Exception.Message;
SearchKeywordsValidator.IsValid = false;
e.ExceptionHandled = true;
}
protected override int ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues)
{
if (_owner.Criteria == null)
{
throw new ArgumentException("Missing QueryTableType or Criteria setting on QueryDataSource");
}
if (keys == null || keys.Count == 0)
{
throw new ArgumentNullException("keys");
}
if (values == null || values.Count == 0)
{
throw new ArgumentNullException("values");
}
var updatingArgs = new DataSourceUpdatingEventArgs(GetReadOnlyDictionary(keys), values, oldValues);
_owner.OnUpdating(updatingArgs);
if (updatingArgs.Cancel)
{
return(0);
}
if (_owner.ConflictDetection == ConflictOptions.CompareAllValues)
{
DetectCompareAllValuesConflicts(oldValues, keys);
}
var criteria = CreateUpdateCriteria(keys, values);
var affectedRows = _owner.QueryService.Execute(criteria, false);
var statusArgs = new DataSourceStatusEventArgs(this, affectedRows);
_owner.OnUpdated(statusArgs);
if (affectedRows > 0)
{
OnDataSourceViewChanged(System.EventArgs.Empty);
}
return(affectedRows);
}
