Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web.DynamicData/DynamicData/IFieldTemplateHost.cs

@@ -0,0 +1,29 @@
+using System.Web.UI.WebControls;
+using System.Security.Permissions;
+
+namespace System.Web.DynamicData {
+    /// <summary>
+    /// Interface implemented by the object that drives field template. Typically, this is the DynamicControl.
+    /// </summary>
+    public interface IFieldTemplateHost {
+        /// <summary>
+        /// The MetaColumn for which the field template is needed
+        /// </summary>
+        MetaColumn Column { get; }
+
+        /// <summary>
+        /// The mode (Readonly, Edit, Insert) for which the field template is needed
+        /// </summary>
+        DataBoundControlMode Mode { get; }
+
+        /// <summary>
+        /// The various formatting options that should be applied to the field template
+        /// </summary>
+        IFieldFormattingOptions FormattingOptions { get; }
+
+        /// <summary>
+        /// The validation group that the field template need to be in
+        /// </summary>
+        string ValidationGroup { get; }
+    }
+}