TextBox Enable/Disable
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ASP.NET如何实现DropDownList选项控制TextBox编辑功能的代码实现？
“csharp，protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)，{， TextBox1.Enabled = DropDownList1.SelectedValue == “Yes”;，}，“
“csharp，protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)，{， TextBox1.Enabled = DropDownList1.SelectedValue == “Yes”;，}，“
