Find Control命令不适用于DetailsView内的Gridview

问题描述

亲爱的所有人，



我遇到了关于Gridview的问题，其中包含Dataview Details中的数据。这些是我的代码。



string ShowJobItem =从JobOrderItems中选择JobItemID，JobItemStatus，JobItemName，JobItemDes，JobOrderItems.SizeID，SizeName，JobItemQty，JobItemID =''的大小+ GridView2.SelectedRow.Cells [1] .Text +''AND JobOrderItems.SizeID = Sizes.SizeID;;



DataTable dt = dbconn.QueryExecuteScalar（ ShowJobItem）;



GridView GV =（GridView）DetailsView1.FindControl（GridViewJobOrderItem）;

GV.DataSource = dt;

GV.DataBind（）;





DataTable dt = dbconn.QueryExecuteScalar（ShowJobItem）出错）;它显示此错误





起初，我认为这是因为它无法找到GridView，如果有UpdatePanel封面的DetailView，那么我试图通过删除UpdatePanel来解决这个问题。 （过去效果很好）。但此时，它不起作用。那么有什么建议吗？





感谢您一次又一次的帮助。

Dear All,

I got a problem about Gridview which was contained the Data inside Detailsview. These are my code.

string ShowJobItem = "Select JobItemID, JobItemStatus, JobItemName, JobItemDes, JobOrderItems.SizeID,SizeName,JobItemQty from JobOrderItems, Sizes where JobItemID = ''" + GridView2.SelectedRow.Cells[1].Text + "'' AND JobOrderItems.SizeID = Sizes.SizeID ;";

DataTable dt = dbconn.QueryExecuteScalar(ShowJobItem);

GridView GV = (GridView)DetailsView1.FindControl("GridViewJobOrderItem");
GV.DataSource = dt;
GV.DataBind();


There was an error at "DataTable dt = dbconn.QueryExecuteScalar(ShowJobItem);" It show this error


At first, I think it is because it cannot find the GridView, If there is UpdatePanel cover DetailView, So I tried to solve this problem by remove UpdatePanel. (It used to work well). But At this time, It s not work. So Is there any suggestions?


Thanks for your kindly help again and again.

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