OleDbParameter.SourceVersion Property

Reference

Definition

Namespace:: System.Data.OleDb

Assembly:: System.Data.OleDb.dll

Assembly:: System.Data.dll

Package:: System.Data.OleDb v8.0.1

Package:: System.Data.OleDb v9.0.0-rc.2.24473.5

Source:: DbParameterHelper.cs

Source:: DbParameterHelper.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets the DataRowVersion to use when you load Value.

public:
 virtual property System::Data::DataRowVersion SourceVersion { System::Data::DataRowVersion get(); void set(System::Data::DataRowVersion value); };

public:
 property System::Data::DataRowVersion SourceVersion { System::Data::DataRowVersion get(); void set(System::Data::DataRowVersion value); };

public override System.Data.DataRowVersion SourceVersion { get; set; }

[System.Data.DataSysDescription("DataParameter_SourceVersion")]
public System.Data.DataRowVersion SourceVersion { get; set; }

member this.SourceVersion : System.Data.DataRowVersion with get, set

[<System.Data.DataSysDescription("DataParameter_SourceVersion")>]
member this.SourceVersion : System.Data.DataRowVersion with get, set

Public Overrides Property SourceVersion As DataRowVersion

Public Property SourceVersion As DataRowVersion

Property Value

DataRowVersion

One of the DataRowVersion values. The default is Current.

Implements

SourceVersion

Attributes: DataSysDescriptionAttribute

Exceptions

ArgumentException

The property was not set to one of the DataRowVersion values.

Examples

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"  
    parameter.SourceVersion = DataRowVersion.Current  
End Sub

public void CreateOleDbParameter()   
 {  
    OleDbParameter parameter = new OleDbParameter("Description", OleDbType.VarChar, 88);  
    parameter.SourceColumn = "Description";  
    parameter.SourceVersion = DataRowVersion.Current;  
 }

Remarks

Used by UpdateCommand during an update operation to determine whether the parameter value is set to Current or Original. This lets primary keys be updated. This property is set to the version of the DataRow used by the Item[] property, or the GetChildRows method of the DataRow object.

Applies to

Поділитися через