如何解决我的错误 [英] how to solve my error

问题描述

我的错误

My error

Error   24  'ASP.mainpage_aspx' does not contain a definition for 'TextBox1_TextChanged' and no extension method 'TextBox1_TextChanged' accepting a first argument of type 'ASP.mainpage_aspx' could be found (are you missing a using directive or an assembly reference?) D:\photostudiobackup\PhotoStudio\MainPage.aspx  1   1   D:\photostudiobackup\PhotoStudio\

推荐答案

删除源代码中的TextBox1_TextChanged事件.

在代码后面检查

TextBox1_TextChanged事件，它在那里并使用Debugger.

check in your code behind for

TextBox1_TextChanged event that it is there and use Debugger .

<asp:TextBox ID="TextBox1"  OnTextChanged="" runat="server"></asp:TextBox>

/*remove that OnTextChange event 
like that */

 <asp:TextBox ID="TextBox1"   runat="server"></asp:TextBox>

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