Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebControls/LabelLiteral.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace System.Web.UI.WebControls {
+    // Used in the login controls for accessibility
+    internal sealed class LabelLiteral : Literal {
+        internal Control _for;
+        internal bool _renderAsLabel = false;
+
+        internal LabelLiteral(Control forControl) {
+            _for = forControl;
+        }
+
+        internal bool RenderAsLabel {
+            get {
+                return _renderAsLabel;
+            }
+            set {
+                _renderAsLabel = value;
+            }
+        }
+
+        protected internal override void Render(HtmlTextWriter writer) {
+            // Render as a label in designer for accessibility
+            if (RenderAsLabel) {
+                // Total hack for accessibility of labels for login controls!
+                writer.Write("<asp:label runat=\"server\" AssociatedControlID=\"");
+                writer.Write(_for.ID);
+                writer.Write("\" ID=\"");
+                writer.Write(_for.ID);
+                writer.Write("Label\">");
+                writer.Write(Text);
+                writer.Write("</asp:label>");
+            }
+            else {
+                writer.AddAttribute(HtmlTextWriterAttribute.For, _for.ClientID);
+                writer.RenderBeginTag(HtmlTextWriterTag.Label);
+                base.Render(writer);
+                writer.RenderEndTag();
+            }
+        }
+    }
+}