如何在ASP.NET中选择组合框项目时创建弹出窗口 [英] How to create a pop up window when combobox item is selected in ASP.NET

问题描述

问题是我想使用组合框来过滤数据网格视图中显示的数据，但我希望仅当用户选择组合框ID并在提示窗口中输入密码时才显示它。我不知道如何实现这个目标。请帮助



我尝试了什么：



i已经在intenert for sources可以让我对我的问题有所了解但却没有找到。所以我没有任何片段。请帮助我使用asp.net与c＃

the problem is i want to use a combo box to filter data that woud be displayed in the datagridview but i want it to be displayed only when the user selects a combobox id and enters a password in a prompt window. i have no idea how to archieve this. please help

What I have tried:

i have seached on the intenert for sources that could give me an idea about my problem but have found none. so i dont have any snippet. please help me ian using asp.net with c#

推荐答案

这个Google搜索： javascript show弹出组合框选择 [ ^ ]



找到了这个答案：使用JavaScript和jQuery在OnChange事件中获取DropDownList的选定文本和值 [ ^ ]

This Google Search: javascript show popup on combobox select[^]

found this answer: Get selected Text and Value of DropDownList in OnChange event using JavaScript and jQuery[^]

步骤1 [ ^ ]从<获取值code>更改项目时的下拉列表

步骤2 [ ^ ]从<获取值code>提示窗口并将其存储在变量中

第3步 [ ^ ]创建 hidde n字段并存储提示值

第4步 [< a href =https://stackoverflow.com/a/15215645/1147428target =_ blanktitle =New Window> ^ ]创建一个虚拟 asp按钮（隐藏）并在从用户读取提示值后调用按钮单击事件。

步骤4：根据下拉值和隐藏字段值，更新虚拟按钮单击事件中的 gridview 数据。

Step 1[^] Get the value from Drop down list while changing the item
Step 2[^] Get the value from prompt window and store it in a variable
Step 3[^] Create a hidden field and store the prompt value
Step 4[^] Create a dummy asp button (hidden) in the page and invoke the button click event once the prompt value is read from the user.
Step 4: based on the drop down value and the hidden field value, update the gridview data in the dummy button click event.

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