动态生成列下拉问题 [英] dynamic generate column dropdown problem

问题描述

嗨朋友

i在这个网格视图中有一个动态网格视图，两个下拉框状态和城市，一个添加按钮和一个删除按钮，当我点击添加按钮生成新的动态列，当我点击删除按钮在网格视图中删除一列

我的问题是当我填写像state =>这样的记录时古吉拉特邦和城市=> Ahmedab​​ad并点击添加按钮并生成新列，但城市下拉列表是空白的，我使用更新面板但是你的工作没有，所以请你给我一个想法

hi friends
i have one dynamic grid view in this grid view two drop down box like state and city and one add button and one delete button when i click add button generate new dynamic column and when i click delete button one column are delete in grid view
and my problem is when i fill up record like state=> gujarat and city=> Ahmedabad and click add button and generate new column but city drop down are blank and i use update panel but thy are not working so nay one please give me a idea

推荐答案

尝试通过将gridview属性的启用视图状态模式设置为true

try by setting enable view state mode of gridview property to true

确保在ispost back事件中填充网格

make sure you fill the gird in ispost back event

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