DrillDownEventArgs.DataContext 属性

获取或设置报表的数据子树。

命名空间 CrystalDecisions.Web 程序集 CrystalDecisions.Web (CrystalDecisions.Web.dll)

语法

声明

Public Property DataContext As String

public string DataContext {get; set;}

备注

可以使用字符串或整数来指定 DataContext 以描述报表节点。只能为最后一个级别设置通配符 (*)。

示例

以下示例记录报表的 FieldDrillDown 事件。

声明

      Private Sub LogFieldDrillDownEvent(ByVal source As Object, _
        ByVal e As CrystalDecisions.Web.DrillDownEventArgs) Handles _
          CrystalReportPartsViewer.FieldDrillDown
        Dim eventLog As New EventLog("event.log")
        Dim eventMsg As String = _
        "FieldDrillDown event:" & vbCrLf & _
        "DataContext: " & e.DataContext.ToString() & vbCrLf & _
        "GroupName: " & e.GroupName & vbCrLf & _
        "GroupPath: " & e.GroupPath & vbCrLf & _
        "ObjectName: " & e.ObjectName
        eventLog.WriteEntry(eventMsg)
        e.Handled = False
      End Sub

      private void LogFieldDrillDownEvent(Object source, 
        CrystalDecisions.Web.DrillDownEventArgs e)
      {
        System.Diagnostics.EventLog eventLog = 
          new System.Diagnostics.EventLog("event.log");
        string eventMsg = 
          "FieldDrillDown event:" + "\n" +
          "DataContext: " + e.DataContext.ToString() + "\n" +
          "GroupName: " + e.GroupName + "\n" +
          "GroupPath: " + e.GroupPath + "\n" +
          "ObjectName: " + e.ObjectName + "\n";
        eventLog.WriteEntry(eventMsg);
        e.Handled = false;
      }

版本信息

Crystal Reports Basic for Visual Studio 2008

从此版本开始支持： Crystal Reports for Visual Studio .NET 2002

另请参见

引用

DrillDownEventArgs 类
DrillDownEventArgs 成员
CrystalDecisions.Web 命名空间