如何从customers1和customers2获取所有产品包括他们的客户名称?
customer1 table
cid name1
1 john
2 joe
customer2 table
cid name2
p1 sandy
p2 linda
product table
pid cid pname
1 1 phone
2 2 pencil
3 p1 pen
4 p2 paper
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结果应该是这样的
pid cid pname name1 name2
1 1 phone john NULL
2 2 pencil joe NULL
3 p1 pen NULL sandy
4 p2 paper NULL linda
Run Code Online (Sandbox Code Playgroud) 如何动态地将参数/控制传递给contextKey?
<asp:TextBox ID="tbA" runat="server" autocomplete="off"></asp:TextBox>
<asp:TextBox ID="tbB" runat="server">hello</asp:TextBox>
<asp:TextBox ID="tbC" runat="server">world</asp:TextBox>
<cc1:AutoCompleteExtender ID="aceListA" ServiceMethod="myListServiceA" ServicePath="WebService.asmx" TargetControlID="tbA" runat="server" EnableCaching="true" UseContextKey="true"> </cc1:AutoCompleteExtender>
[WebMethod]
public string[] myListServiceA(string prefixText, int count, string contextKey)
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因为我想在Web服务级别检查tbB,tbC.我已经读过这篇文章 5次,但仍然没有理解,每半个人都缺少完整的代码.