ORM Sample Class Library

DataManager.GetTeacherFromDataSet Method

Gets a OleroTrainingBiz.Teacher from the already loaded records in this DataManager, by primary key.

[Visual Basic]
Public Function GetTeacherFromDataSet( _
ByVal ID As Integer _
) As Teacher

[C#]
public Teacher GetTeacherFromDataSet(
int ID
);

Parameters

ID: Primary key of the data row to retrieve.

Return Value

A Teacher, or null if not found

Remarks

This method is made available for when the dataset has been serialized from session state or disk.

Example

This example shows a reason to use this method.

/* first web page - save dataset and primary keys */
Session["DataSet"] = dm.DataSet;
Session["TeacherID"] = _Teacher.ID;

/* second web page - need to get currend contact */
DataManager dm = new DataManager(Config.Dsn);
dm.DataSet = (DataSet)Session["DataSet"];
_Teacher = dm.GetContactFromDataSet((System.Int32)Session["TeacherID"]);

See Also

DataManager Class | OleroTrainingBiz Namespace

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