/
Default.aspx.vb
56 lines (44 loc) · 2.41 KB
/
Default.aspx.vb
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Imports System
Imports System.Web.Hosting
Imports DevExpress.DashboardCommon
Imports DevExpress.DashboardWeb
Imports DevExpress.DataAccess.Excel
Imports DevExpress.DataAccess.Sql
Namespace WebFormsDashboardUseDifferentCaches
Partial Public Class [Default]
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
Dim dashboardFileStorage As New DashboardFileStorage("~/App_Data/Dashboards")
ASPxDashboard1.SetDashboardStorage(dashboardFileStorage)
' Uncomment this string to allow end users to create new data sources based on predefined connection strings.
'ASPxDashboard1.SetConnectionStringsProvider(new DevExpress.DataAccess.Web.ConfigFileConnectionStringsProvider());
Dim dataSourceStorage As New DataSourceInMemoryStorage()
' Registers an SQL data source.
Dim sqlDataSource As New DashboardSqlDataSource("SQL Data Source", "NWindConnectionString")
Dim query As SelectQuery = SelectQueryFluentBuilder.AddTable("SalesPerson").SelectAllColumns().Build("Sales Person")
sqlDataSource.Queries.Add(query)
dataSourceStorage.RegisterDataSource("sqlDataSource", sqlDataSource.SaveToXml())
' Registers an Object data source.
Dim objDataSource As New DashboardObjectDataSource("Object Data Source")
dataSourceStorage.RegisterDataSource("objDataSource", objDataSource.SaveToXml())
' Registers an Excel data source.
Dim excelDataSource As New DashboardExcelDataSource("Excel Data Source")
excelDataSource.FileName = HostingEnvironment.MapPath("~/App_Data/Sales.xlsx")
excelDataSource.SourceOptions = New ExcelSourceOptions(New ExcelWorksheetSettings("Sheet1"))
dataSourceStorage.RegisterDataSource("excelDataSource", excelDataSource.SaveToXml())
ASPxDashboard1.SetDataSourceStorage(dataSourceStorage)
AddHandler ASPxDashboard1.CustomParameters, AddressOf ASPxDashboard1_CustomParameters
End Sub
Private Sub ASPxDashboard1_CustomParameters(ByVal sender As Object, ByVal e As CustomParametersWebEventArgs)
e.Parameters.Add(New DashboardParameter("Param1",GetType(Guid),CacheManager.UniqueCacheParam))
End Sub
Protected Sub DataLoading(ByVal sender As Object, ByVal e As DataLoadingWebEventArgs)
If e.DataSourceName = "Object Data Source" Then
e.Data = Invoices.CreateData()
End If
End Sub
Protected Sub ASPxButton1_Click(ByVal sender As Object, ByVal e As EventArgs)
CacheManager.ResetCache()
End Sub
End Class
End Namespace