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C#中的动态文本框

[英]dynamic textbox in c#

I have the following code: 我有以下代码:

 string str = string.Empty;

 foreach (ListItem item in this.CheckBoxList1.Items)
    {
       if (item.Selected)
           {
              str += item.Value + "<br><br>";
              TextBox txt1 = new TextBox();

           }
    }

 lbl1.Text = str;

What I want is for each data checked I want to have a textbox. 我想要的是为每个要检查的数据提供一个文本框。 When I loop through the checkbox List the label takes my values and display them but the textbox not. 当我遍历“列表”复选框时,标签将使用我的值并显示它们,但文本框不显示。 How can I do it? 我该怎么做?

foreach (ListItem item in this.CheckBoxList1.Items)
    {
       if (item.Selected)
           {
              str += item.Value + "<br><br>";
              TextBox txt1 = new TextBox();
              //name of your form should go here
               form1.Controls.add(txt1); 
               //plus you have to figure it out how to position textboxes on the page
           }
    }

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