add categories(add, list, list news)

minor form changes
add news controller and views

Views/categories/Details.cshtml

@@ -0,0 +1,49 @@
+@model IEnumerable<WebApplication1.Models.news>
+
+@{
+    ViewBag.Title = @ViewBag.title;
+}
+
+<h2>@ViewBag.title</h2>
+
+<table class="table">
+    <tr>
+        <th>
+            @Html.DisplayNameFor(model => model.title)
+        </th>
+        <th>
+            @Html.DisplayNameFor(model => model.link)
+        </th>
+        <th>
+            @Html.DisplayNameFor(model => model.tag)
+        </th>
+        <th>
+            category
+        </th>
+        <th></th>
+    </tr>
+
+    @foreach (var item in Model)
+    {
+        <tr>
+            <td>
+                @Html.DisplayFor(modelItem => item.title)
+            </td>
+            <td>
+                @Html.DisplayFor(modelItem => item.link)
+            </td>
+            <td>
+                @Html.DisplayFor(modelItem => item.tag)
+            </td>
+            <td>
+                @Html.DisplayFor(modelItem => item.cat)
+            </td>
+            <td>
+                @Html.ActionLink("Edit", "Edit", new { id = item.ID }) |
+                @Html.ActionLink("Details", "Details", new { id = item.ID }) |
+                @Html.ActionLink("Delete", "Delete", new { id = item.ID })
+            </td>
+        </tr>
+    }
+
+</table>