当我选择下拉列表中的特定项目来显示弹出屏幕时 [英] when i choose the particular item in dropdownlist to show the popup screen

问题描述

设计如下





这个课程在多大程度上有用Dropdownlist（优秀/好/差）

你获得技能的程度下拉列表（优秀/优秀/差）

您获得信心的程度下拉列表（优秀/优秀/差）




从上面的设计中，当我从下拉列表中选择穷人时，我想显示弹出屏幕。



In标签中的弹出屏幕为什么应该在那里，并且在该文本框中有一个文本框可以输入差的原因。


我怎么能用asp做。 net使用csharp。





问候，

Narasiman P.

Design as follows


To what extent was this course useful Dropdownlist (Excellent/Good/Poor)
To what extent you acquired skills Dropdownlist (Excellent/Good/Poor)
To what extent you gained confidence Dropdownlist (Excellent/Good/Poor)


From the above design when i choose the poor from the Dropdownlist i want to show the popup screen.

In that pop up screen in label Why should be there and one textbox to be available in that textbox type the reason for poor.

for that how can i do in asp.net using csharp.


Regards,
Narasiman P.

推荐答案

请参阅：

使用文本框和验证器的ModalPopup [ ^ ]



你必须改变一件事。

放置此代码

Refer Here:
ModalPopup With Textbox and Validator [^]

You have to change one thing in it.
place this code

ModalPopupExtender.Show();

$ Next $ List $中的selectIndexChanged事件

in SelectedIndexChanged Event of dropdownlist

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