public virtual void LoadData()
{
// Load the data from the database into the DataSource DatabaseTheRatTrap%dbo.Users record.
// It is better to make changes to functions called by LoadData such as
// CreateWhereClause, rather than making changes here.
// The RecordUniqueId is set the first time a record is loaded, and is
// used during a PostBack to load the record.
if (this.RecordUniqueId != null && this.RecordUniqueId.Length > 0)
{
this.DataSource = UsersTable.GetRecord(this.RecordUniqueId, true);
return;
}
// This is the first time a record is being retrieved from the database.
// So create a Where Clause based on the staic Where clause specified
// on the Query wizard and the dynamic part specified by the end user
// on the search and filter controls (if any).
WhereClause wc = this.CreateWhereClause();
// If there is no Where clause, then simply create a new, blank record.
if (wc == null || !(wc.RunQuery))
{
this.DataSource = new UsersRecord();
return;
}
// Retrieve the record from the database. It is possible
UsersRecord[] recList = UsersTable.GetRecords(wc, null, 0, 2);
if (recList.Length == 0)
{
// There is no data for this Where clause.
wc.RunQuery = false;
return;
}
// Set DataSource based on record retrieved from the database.
this.DataSource = (UsersRecord)UsersRecord.Copy(recList[0], false);
}