DynamicData - Updating the ListDetails Page - Part 7

Articles in this Series

• Introduction - A DynamicData Attribute Based Permission Solution using User Roles.
• Part 1 - Permissions Attribute (Metadata) Classes.
• Part 2 - Sample Metadata for project.
• Part 3 - The Helper Extension Methods.
• Part 4 - Limit Tables shown on Default page and List, Edit & Details etc.
• Part 5 - Generate Columns/Rows (using IAutoFieldGenerator)
• Part 6 - Miscellaneous bits
• Part 7 - Updating the ListDetails Page
• DynamicData - Limit the Filter Fields
• DynamicData - Automatic Column Update

Updating the ListDetails Page

Similarly to the List page Listing 1 show the class variables.

protected Boolean denyEdit = false;
protected Boolean denyDelete = false;
protected Boolean denyDetails = false;
protected Boolean denyInsert = false;

Listing 1

Next is the setting of the class variables based on the permissions set returned.

// Get permissions for current table
var tablePermissions = table.GetTablePermissions(Roles.GetRolesForUser());

// get status of links for column 0 from table permissions
if (tablePermissions.Contains(TablePermissionsAttribute.Permissions.DenyEdit))
    denyEdit = true;
if (tablePermissions.Contains(TablePermissionsAttribute.Permissions.DenyDelete))
    denyDelete = true;
if (tablePermissions.Contains(TablePermissionsAttribute.Permissions.DenyDetails))
    denyDetails = true;
if (tablePermissions.Contains(TablePermissionsAttribute.Permissions.DenyInserts))
    denyInsert = true;

Listing 2

This is the error if user got to this by invalid URL for them (e.g. old link or a hack)

// if table is denied read throw error
if (tablePermissions.Contains(TablePermissionsAttribute.Permissions.DenyRead))
{
    Response.Redirect("~/Default.aspx?error=No access to " + table.Name);
}

Listing 3

Here the links and DetailsPanel are set to display or hide, also if the DetailsPanel is hidden the don't bother to turn off the buttons.

// set visibility of Details
DetailsPanel.Visible = !denyDetails;
GridView1.AutoGenerateSelectButton = !denyDetails;
GridView1.AutoGenerateEditButton = !denyEdit;
GridView1.AutoGenerateDeleteButton = !denyDelete;

if (!denyDetails)
{
    DetailsView1.AutoGenerateInsertButton = !denyInsert;
    DetailsView1.AutoGenerateEditButton = !denyEdit;
    DetailsView1.AutoGenerateDeleteButton = !denyDelete;
}

Listing 4

I think that about wraps it up for this...

But may be not I think next I may override some of the controls then there will be less code to add per page.

NOTE: you will need to change the routing to see ListDetails pages instead of List, Details, Edit, Insert.