c# - Get Dopdownlist value based on SelectedIndex

Question

How to Select Value from Particular Index i.e. 0, 1st , 2nd ,3rd or 4th of DropDownList.

Using C#.

I have a DropDownList which have 6 items, now I like to Select 4th item form that DropDownList.

Note that the value of this item is unknown; as it may change time to time; but I know that it will be at 4th place in dropdown.

I this my try, which not working

string Item4;

item4 = DropDownList1.SelectedIndex = 3;

score 1 · Accepted Answer

1

字符串 item4 = DropDownList1.Items[3].Value;

于 2012-09-15T16:49:10.643 回答

score 1 · Accepted Answer

要通过索引设置 Dropdown 的值，请使用以下命令：

DropDownList1.SelectedIndex = 3;

要从下拉列表中获取值，请使用：

String Value = DropDownList.SelectedItem.Value;

对于文本使用：

String Text = DropDownList.SelectedItem.Text;

score 1 · Accepted Answer

 string item4 = DropDownList1.Items[3].Value;

 item4 = DropDownList1.SelectedIndex = 3; is not correct.

score 1 · Accepted Answer

1

var listItem = dropDownList.Items[3];
var value = listItem.Value;

于 2012-09-15T16:52:53.400 回答

score 0 · Accepted Answer

0

DropDownList1.SelectedIndex = 3;
string item = DropDownList.SelectedItem.Value;

于 2012-09-15T16:47:06.973 回答

score 0 · Accepted Answer

这里有很多答案

ListItem item = DropDownList1.Items[3];
string value = item.Value;
string text = item.Text;

6 回答 6