void connector_BeforeProcessing(object sender, DataActionProcessingEventArgs e)
{
if (string.IsNullOrEmpty(e.DataAction.Data[(TableField)"title"]))
e.DataAction.SetInvalid("Book title cannot be empty!");
if (string.IsNullOrEmpty(e.DataAction.Data[(TableField)"author"]))
e.DataAction.SetInvalid("Book author cannot be empty!");
}
void connector_BeforeInsert(object sender, DataActionProcessingEventArgs e)
{
e.DataAction.Data.Add("create_date", Tools.ConvertToString(DateTime.Now));
}
void connector_BeforeInsert(object sender, DataActionProcessingEventArgs e)
{
if (!e.DataAction.Data.ContainsKey((TableField)"Name"))
e.DataAction.Data.Add("Name", "");//Name field is mandatory in table Country
}
void connector_BeforeUpdate(object sender, DataActionProcessingEventArgs e)
{
if (e.DataAction.Data[(this.Connector as dhtmlxTreeConnector).NodeTextField] == "")
e.DataAction.SetInvalid("File name cannot be empty!");
}
void connector_BeforeDataActionProcessing(object sender, DataActionProcessingEventArgs e)
{
e.DataAction.SetFailed("Operation denied!");
}