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This KB illustrates that how to know the purpose of using IsPostBack property in the OLAP controls. SolutionGenerally, the IsPostBack property is used to get a value that indicates whether the page is rendered for the first time or is loaded in the response to a postback. In the ASP.NET Classic, the OLAP controls are bound to the DataSource for the first time only, and so the IsPostBack property is used here. C#protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string connectionString = "Data Source=http://bi.syncfusion.com/olap/msmdpump.dll; Initial Catalog=Adventure Works DW 2008 SE;";
OlapDataManager DataManager = new OlapDataManager(connectionString);
this.OlapClient1.OlapDataManager = DataManager;
this.OlapClient1.DataBind();
}
}
VBProtected Sub Page_Load(sender As Object, e As EventArgs) If Not IsPostBack Then Dim connectionString As String = "Data Source=http://bi.syncfusion.com/olap/msmdpump.dll; Initial Catalog=Adventure Works DW 2008 SE;" Dim DataManager As New OlapDataManager(connectionString) Me.OlapClient1.OlapDataManager = DataManager Me.OlapClient1.DataBind() End If End Sub
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