如何获取动态创建的单选按钮列表的选定值

问题描述

我在Masterpage继承的页面中创建了一个动态单选按钮列表，如下所示.

i created a dynamic radiobuttonlist in Masterpage inherited page like this.this is working.

RadioButtonList rbl = new RadioButtonList();
rbl.ID = "rblID";

//Add Items
rbl.Items.Add(new ListItem("One", "1"));
rbl.Items.Add(new ListItem("Two", "2"));
rbl.Items.Add(new ListItem("Three", "3"));

rbl.DataBind();
PlaceHolder1.Controls.Add(rbl);

我需要找到单选按钮列表的选定值.我尝试了以下代码，但无法正常工作.

i need to find the selected value of radiobuttonlist. i tried the below code, but it is not working.

RadioButtonList rb = (RadioButtonList)FindControl("rblID");
TextBox1.Text = rb.SelectedValue;

推荐答案

RadioButtonList rb = (RadioButtonList)Master.FindControl("rblID");
TextBox1.Text = rb.SelectedValue;

RadioButtonList rbl = new RadioButtonList();
rbl.ID = "rblID";
rbl.AutopostBack="true";


rbl.Items.Add(new ListItem("One", "1"));
rbl.Items.Add(new ListItem("Two", "2"));
rbl.Items.Add(new ListItem("Three", "3"));

rbl.DataBind();
PlaceHolder1.Controls.Add(rbl);

RadioButtonList rb = (RadioButtonList)FindControl("rblID");
TextBox1.Text = rb.SelectedValue; 

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