回答編集履歴
2
記述の誤り
answer
CHANGED
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@@ -25,19 +25,23 @@
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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-
if (
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+
if (Session["WebUserControls"] == null)
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{
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Session["WebUserControls"] = new List<WebUserControl1>();
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}
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-
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if (Session["WebUserControls"] is List<WebUserControl1> obj)
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{
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if (!IsPostBack)
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{
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var addContext = (WebUserControl1)LoadControl("WebUserControl1.ascx");
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addContext.Title = "テスト" + (obj.Count() + 1);
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obj.Add(addContext);
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foreach (var i in obj)
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{
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panel.Controls.Add(i);
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-
}
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}
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+
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foreach (var i in obj)
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{
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panel.Controls.Add(i);
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}
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}
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}
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1
記述の不備
answer
CHANGED
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@@ -70,7 +70,8 @@
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<asp:Button ID="cl1" runat="server" CssClass="cl" Text="クリア" />
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<br />
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```
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+
WebUserControl1.ascx.cs
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-
```
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```C#
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namespace HelloWorld
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{
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public partial class WebUserControl1 : System.Web.UI.UserControl
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