C# (CSharp) DevExpress.Xpf.Data GetSummariesAsyncEventArgs示例

示例#1

文件： MainWindow.xaml.cs 项目： DevExpress-Examples/how-to-implement-crud-operations

 void OnGetTotalSummaries(System.Object sender, DevExpress.Xpf.Data.GetSummariesAsyncEventArgs e)
 {
     e.Result = Task.Run(() =>
     {
         var context   = new EntityFrameworkIssues.Issues.IssuesContext();
         var queryable = context.Issues.Where(MakeFilterExpression(e.Filter));
         return(queryable.GetSummaries(e.Summaries));
     });
 }

示例#2

 void OnGetTotalSummaries(System.Object sender, DevExpress.Xpf.Data.GetSummariesAsyncEventArgs e)
 {
     e.Result = Task.Run(() =>
     {
         using (var session = new DevExpress.Xpo.Session()) {
             return(session.Query <XPOIssues.Issues.Issue>().Where(MakeFilterExpression(e.Filter)).GetSummaries(e.Summaries));
         }
     });
 }