IDashboardStorage.LoadDashboard(String) Method

Loads the dashboard with the specified identifier from the current IDashboardStorage.

Namespace: DevExpress.DashboardWeb

Assembly: DevExpress.Dashboard.v23.2.Web.dll

NuGet Package: DevExpress.Web.Dashboard.Common

Declaration

C#

XDocument LoadDashboard(
    string dashboardID
)

VB.NET

Function LoadDashboard(
    dashboardID As String
) As XDocument

Parameters

Name	Type	Description
dashboardID	String	A String value that specifies the dashboard identifier.

Returns

Type	Description
XDocument	A XDocument object that is the XML definition of the loaded dashboard.

Remarks

Implement the IDashboardStorage.SaveDashboard method to save the dashboard to the current IDashboardStorage.

Example

This example shows how to create custom dashboard storage in an ASP.NET Core application and to store dashboards in a database. The LoadDashboard method is used to load a dashboard with the specified ID in XDocument format from storage.

View Example: ASP.NET Core

public XDocument LoadDashboard(string dashboardID) {
    using (SqlConnection connection = new SqlConnection(connectionString)) {
        connection.Open();
        SqlCommand GetCommand = new SqlCommand("SELECT  Dashboard FROM Dashboards WHERE ID=@ID");
        GetCommand.Parameters.Add("ID", SqlDbType.Int).Value = Convert.ToInt32(dashboardID);
        GetCommand.Connection = connection;
        SqlDataReader reader = GetCommand.ExecuteReader();
        reader.Read();
        byte[] data = reader.GetValue(0) as byte[];
        MemoryStream stream = new MemoryStream(data);
        connection.Close();
        return XDocument.Load(stream);
    }
}

The following examples are based on different platforms and show how to create a custom dashboard storage to load and save dashboards to a database:

View Example: ASP.NET Core View Example: ASP.NET MVC View Example: ASP.NET Web Forms

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the LoadDashboard(String) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

mvc-dashboard-download-dashboard-xml-definition/CS/Controllers/HomeController.cs#L30

}
XDocument xdoc = st.LoadDashboard(dashboardId);
MemoryStream stream = new MemoryStream();