DataSet.Prefix Property

Reference

Definition

Namespace:: System.Data

Assemblies:: netstandard.dll, System.Data.Common.dll

Assembly:: System.Data.Common.dll

Assembly:: System.Data.dll

Assembly:: netstandard.dll

Source:: DataSet.cs

Source:: DataSet.cs

Source:: DataSet.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 an XML prefix that aliases the namespace of the DataSet.

public:
 property System::String ^ Prefix { System::String ^ get(); void set(System::String ^ value); };

public string Prefix { get; set; }

[System.Data.DataSysDescription("DataSetPrefixDescr")]
public string Prefix { get; set; }

member this.Prefix : string with get, set

[<System.Data.DataSysDescription("DataSetPrefixDescr")>]
member this.Prefix : string with get, set

Public Property Prefix As String

Property Value

String

The XML prefix for the DataSet namespace.

Attributes: DataSysDescriptionAttribute

Examples

The following example sets the Prefix before calling the ReadXml method.

private void ReadData(DataSet thisDataSet)
{
    thisDataSet.Namespace = "CorporationA";
    thisDataSet.Prefix = "DivisionA";

    // Read schema and data.
    string fileName = "CorporationA_Schema.xml";
    thisDataSet.ReadXmlSchema(fileName);
    fileName = "DivisionA_Report.xml";
    thisDataSet.ReadXml(fileName);
}

Private Sub ReadData(thisDataSet As DataSet)
    thisDataSet.Namespace = "CorporationA"
    thisDataSet.Prefix = "DivisionA"

    ' Read schema and data.
    Dim fileName As String = "CorporationA_Schema.xml"
    thisDataSet.ReadXmlSchema(fileName)
    fileName = "DivisionA_Report.xml"
    thisDataSet.ReadXml(fileName)
End Sub

Remarks

The Prefix property is used throughout an XML document to identify elements which belong to the namespace of the DataSet object (as set by the Namespace property).

Applies to

Product	Versions
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

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