不能将具有相同ID"calender1"的两个组件添加到应用程序中

问题描述

在我的asp.net项目中，在我的页面中，我具有gridview，其中有一个文本框和日历控件，如下所示:

In my asp.net project, In my page I have gridview in that I have a text box and calender control like the following

<asp:TemplateField HeaderText="Year">
                                        <ItemTemplate>
                                            <asp:TextBox ID="txtCourseYear" runat="server" Width="80px" MaxLength="10" Text='<%# Eval("YearPassed") %>'></asp:TextBox>
                                            <asp:Image ID="Image3" runat="server" ImageUrl="~/images/Calender.JPG" Style="width: 16px" />
                                            <asp:CalendarExtender ID="CalendarExtender_txtYear" runat="server" Enabled="True"

                                                TargetControlID="txtCourseYear" Format="yyyy" OnClientShown="onCalendarShown"

                                                BehaviorID="calendar1" OnClientHidden="onCalendarHidden" PopupButtonID="Image3">
                                            </asp:CalendarExtender>
                                        </ItemTemplate>
                                    </asp:TemplateField>

执行项目时出现以下错误..

Calendar Extender生成消息"Sys.InvalidOperationException:不能将具有相同ID"calender1"的两个组件添加到应用程序中.

我认为BehaviorID将动态更改，我该怎么做.>
我试图将BehaviouId calender1更改为calender2，但是发生了相同的错误..


我如何解决此问题.....

while executing the project I am getting the following error..

Calendar Extender generates message "Sys.InvalidOperationException: Two components with the same id ''calender1'' can''t be added to the application

I think the BehaviorID will change dynamically How i can do this.>
I tried to Change BehaviouId calender1 to calender2 but same error occured..


How I can solve this Issue.....

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