UriJsonSource.Uri Property

Gets or sets the System.Uri object that points to a URI or text file with JSON data.

Namespace: DevExpress.DataAccess.Json

Assembly: DevExpress.DataAccess.v19.1.dll

Declaration

C#

[DefaultValue(null)]
public Uri Uri { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Property Uri As Uri

Property Value

Type	Default	Description
Uri	*null*	Points to a Web-service endpoint or text file with JSON data.

Remarks

The following example demonstrates how to associate the JsonDataSource object with data from a web-service endpoint.

C#

using DevExpress.DataAccess.Json;
using DevExpress.XtraReports.UI;
// ...
public static JsonDataSource CreateDataSourceFromWeb() {
    var jsonDataSource = new JsonDataSource();
    // Specify the data source location
    jsonDataSource.JsonSource = new UriJsonSource(new Uri("http://northwind.servicestack.net/customers.json"));
    // Retrieve data from the JSON data source to the Report Designer's Field List
    jsonDataSource.Fill();
    return jsonDataSource;
}

VB.NET

Imports DevExpress.DataAccess.Json
Imports DevExpress.XtraReports.UI
' ...
Public Shared Function CreateDataSourceFromWeb() As JsonDataSource
    Dim jsonDataSource = New JsonDataSource()
    ' Specify the data source location
    jsonDataSource.JsonSource = New UriJsonSource(New Uri("http://northwind.servicestack.net/customers.json"))
    ' Retrieve data from the JSON data source to the Report Designer's Field List
    jsonDataSource.Fill()
    Return jsonDataSource
End Function

The following example demonstrates how to associate the JsonDataSource object with JSON data from a file.

C#

using DevExpress.DataAccess.Json;
using DevExpress.XtraReports.UI;
// ...
public static JsonDataSource CreateDataSourceFromFile() {
    var jsonDataSource = new JsonDataSource();
    // Specify the a JSON file's name
    Uri fileUri = new Uri("customers.json", UriKind.RelativeOrAbsolute);
    jsonDataSource.JsonSource = new UriJsonSource(fileUri);
    // Retrieve data from the JSON data source to the Report Designer's Field List
    jsonDataSource.Fill();
    return jsonDataSource;
}

VB.NET

Imports DevExpress.DataAccess.Json
Imports DevExpress.XtraReports.UI
' ...
Public Shared Function CreateDataSourceFromFile() As JsonDataSource
    Dim jsonDataSource = New JsonDataSource()
    ' Specify the a JSON file's name
    Dim fileUri As New Uri("customers.json", UriKind.RelativeOrAbsolute)
    jsonDataSource.JsonSource = New UriJsonSource(fileUri)
    ' Retrieve data from the JSON data source to the Report Designer's Field List
    jsonDataSource.Fill()
    Return jsonDataSource
End Function