Question

在 Web 窗体上报表查看器 Web 控件需要 System.Web.UI.ScriptManager

异常详细信息: Microsoft.Reporting.WebForms.ScriptManagerNotFoundException: 在 Web 窗体上报表查看器 Web 控件需要 System.Web.UI.ScriptManager。

源错误:

[没有相关的源行]

源文件: c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\96ee7e7a\db40fc66\App_Web_vziznvbw.11.cs 行: 0

堆栈跟踪:

[ScriptManagerNotFoundException: 在 Web 窗体上报表查看器 Web 控件需要 System.Web.UI.ScriptManager。]
Microsoft.Reporting.WebForms.ReportViewer.CreateChildControls() +213
System.Web.UI.Control.EnsureChildControls() +102
System.Web.UI.Control.PreRenderRecursiveInternal() +42
System.Web.UI.Control.PreRenderRecursiveInternal() +175
System.Web.UI.Control.PreRenderRecursiveInternal() +175
System.Web.UI.Control.PreRenderRecursiveInternal() +175
System.Web.UI.Control.PreRenderRecursiveInternal() +175
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +8387
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +253
System.Web.UI.Page.ProcessRequest() +78
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
System.Web.UI.Page.ProcessRequest(HttpContext context) +49
ASP.taxadmin_taxindex_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\96ee7e7a\db40fc66\App_Web_vziznvbw.11.cs:0
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +100
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

于是这个问题该怎么解决？急急急！！！

Answer 1

你需要在窗体上放一个<asp:ScriptManager runat=server></asp:ScriptManager>控件

Answer 2

直接在页面中，添加如下代码：
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>