OleDbParameter.SourceColumn OleDbParameter.SourceColumn OleDbParameter.SourceColumn OleDbParameter.SourceColumn Property


Gets or sets the name of the source column mapped to the DataSet and used for loading or returning the Value.

 virtual property System::String ^ SourceColumn { System::String ^ get(); void set(System::String ^ value); };
public override string SourceColumn { get; set; }
member this.SourceColumn : string with get, set
Public Overrides Property SourceColumn As String

Property Value

The name of the source column mapped to the DataSet. The default is an empty string.



The following example creates an OleDbParameter and sets some of its properties.

Public Sub CreateOleDbParameter()  
    Dim parameter As New OleDbParameter("Description", OleDbType.VarChar, 88)  
    parameter.SourceColumn = "Description"  
End Sub 'CreateOleDbParameter  
public void CreateOleDbParameter()   
    OleDbParameter parameter = new OleDbParameter("Description", OleDbType.VarChar, 88);  
    parameter.SourceColumn = "Description";  


When SourceColumn is set to anything other than an empty string, the value of the parameter is retrieved from the column with the SourceColumn name. If Direction is set to Input, the value is taken from the DataSet. If Direction is set to Output, the value is taken from the data source. A Direction of InputOutput is a combination of both.

For more information about how to use the SourceColumn property, see DataAdapter Parameters and Updating Data Sources with DataAdapters.

Applies to

See also