根据下拉选择从sql server数据库填充文本框 [英] Populate a textbox from sql server database on basis of drop down selection

问题描述

我使用asp.net 3层架构来创建Web应用程序。在表示层，我想在选择下拉列表中的某个选项时，根据该选择从sql server数据库填充文本框。





请帮我解决每一层的示例代码..

解决方案

已经在如何在从Dropdownlist（Asp.net C＃）中选择值时自动填充文本框 [< a href =http://www.codeproject.com/Questions/762503/How-to-Auto-populate-a-text-box-when-selecting-avtarget =_ blanktitle =New Window> ^ ]和如何自动填充文字从Dropdownlist（Asp.net C＃）中选择值时的方框 [ ^ ]。

I am using asp.net 3-tier architecture for creating a web application. In presentation layer, I want when some option from drop down list is selected, the textbox is populated from sql server database on basis of that selection.


Please help me with Sample code on each tier..

解决方案

Already answered at How to Auto populate a text box when selecting a value from Dropdownlist (Asp.net C#)[^] and How to Auto populate text boxes when selecting value from Dropdownlist (Asp.net C#)[^].

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