add categories(add, list, list news)

minor form changes
add news controller and views

Views/categories/Edit.cshtml

@@ -0,0 +1,45 @@
+@model WebApplication1.Models.category
+
+@{
+    ViewBag.Title = "Edit";
+}
+
+<h2>Edit</h2>
+
+@using (Html.BeginForm())
+{
+    @Html.AntiForgeryToken()
+    
+    <div class="form-horizontal">
+        <h4>category</h4>
+        <hr />
+        @Html.ValidationSummary(true, "", new { @class = "text-danger" })
+        @Html.HiddenFor(model => model.ID)
+
+        <div class="form-group">
+            @Html.LabelFor(model => model.link, htmlAttributes: new { @class = "control-label col-md-2" })
+            <div class="col-md-10">
+                @Html.EditorFor(model => model.link, new { htmlAttributes = new { @class = "form-control" } })
+                @Html.ValidationMessageFor(model => model.link, "", new { @class = "text-danger" })
+            </div>
+        </div>
+
+        <div class="form-group">
+            @Html.LabelFor(model => model.title, htmlAttributes: new { @class = "control-label col-md-2" })
+            <div class="col-md-10">
+                @Html.EditorFor(model => model.title, new { htmlAttributes = new { @class = "form-control" } })
+                @Html.ValidationMessageFor(model => model.title, "", new { @class = "text-danger" })
+            </div>
+        </div>
+
+        <div class="form-group">
+            <div class="col-md-offset-2 col-md-10">
+                <input type="submit" value="Save" class="btn btn-default" />
+            </div>
+        </div>
+    </div>
+}
+
+<div>
+    @Html.ActionLink("Back to List", "Index")
+</div>