使用list绑定asp.net DropDownList [英] bind a asp.net DropDownList using list

问题描述

我想将列表绑定到DropDownList作为Datasource。我怎么能这样做...下面是我的代码

I want to bind a list to DropDownList as Datasource. How can I do that..Below is my code

DataTable dt = obj.FetchAllPerson();
List<string> ids = new List<string>();
for (int i = 0; i < dt.Rows.Count; i++)
{
  ids.Add(dt.Rows[i][0].ToString());
}
DdlDelete.DataSource = ids;
DdlDelete.DataBind();

先谢谢。

Thanks in Advance.

推荐答案

你可以看看这篇文章



使用ASP.NET中的列表集合，枚举和数据集绑定DropDownList [ ^ ]

You can have a look at this article

Binding DropDownList Using List Collection, Enum and DataSet in ASP.NET[^]

我在代码中写的都是对的。它会提供所需的输出。我的修改后的代码如下。

All i write in my code are Right. and it will give desired output.and my revised code is below.

DataTable dt = obj.FetchAllPerson();
List<string> ids = new List<string>();
for (int i = 0; i < dt.Rows.Count; i++)
{
   ids.Add(dt.Rows[i][0].ToString());
}
DdlDelete.DataSource = ids;
DdlDelete.DataBind();
ListItem item = new ListItem("-Select ID-", "0");
DdlDelete.Items.Insert(0, item);

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