AJAX rating control using in Gridview

While browsing for answers through various ASP.NET blogs and forums, I often come across certain topics which repeat in one way or another.

This article is an exercise which answers some common GridView questions. In particular, here I am dealing with:

1. MS Access database connectivity.
2. MS AjaxControlToolkit's Rating extender, which is put on every row allowing the user to rate each row in real time. In other words, as soon as the user rates the row (chooses the number of stars), an asynchronous (AJAX) call to the server is made and the database is updated.
3. Data bound dropdownlists in each GridView row. Each row has a supplier, which is displayed in a dropdown list in order to facilitate record modification.
4. JavaScript client-side row manipulation. In particular, on checkbox click, the Product textbox is locked/unlocked.

Click here for details ....

Sorting gridview bound with datatable

Protected Sub gvSorting(ByVal sender As Object, ByVal e As GridViewSortEventArgs)

dtData = CType(Session("Data"), DataTable)
Dim dv As DataView = dtData.DefaultView
Dim sortdirection As String


If ViewState("direction") <> "" Then
sortdirection = ViewState("direction")
If sortdirection = "asc" Then
sortdirection = "desc"
Else
sortdirection = "asc"
End If
Else
sortdirection = "asc"
End If

dv.Sort = e.SortExpression + " " + sortdirection
dtData = dv.ToTable
ViewState("direction") = sd

gvwList.DataSource = dtData
gvwList.DataBind()

End Sub

TinyMCE - Javascript WYSIWYG Editor

TinyMCE is a platform independent web based Javascript HTML WYSIWYG editor control released as Open Source under LGPL by Moxiecode Systems AB. It has the ability to convert HTML TEXTAREA fields or other HTML elements to editor instances. TinyMCE is very easy to integrate into other Content Management Systems.

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ASP.NET Dynamic Data

Dynamic Data Road Map

ASP.NET Dynamic Data 4.0 Preview 4 Refresh

Refreshed 6/26

• DomainDataSource had errors updating foreign keys
• Cannot edit many to many relationship with table per type inheritance
• Better exception handling

The ASP.NET Dynamic Data Preview 4 Refresh is a new release of Dynamic Data based on some of the early bits we are working on for the next release of the framework. This preview release runs on .NET 3.5 SP1 / VS 2008 SP1. The final version will ship with .NET 4.0 and VS 2010.

This preview shows some of the areas in which we are expanding Dynamic Data:

• A new QueryExtender control, contained in the sample projects to simplify common data filtering operations. It supports a rich ASP.NET declarative query syntax that makes it easy to do things like search data for text or have filters based on ranges.
• A new Dynamic Data filter model that enables the developers to apply templates to pages just like field templates (including user defined filters).
• Support for inheritance in Entity Framework and Linq to SQL.
• Support for many to many relationships in Entity Framework.
• New Entity Templates which allow fine control over how an object is displayed and edited.
• Attributes for controlling the filters appearance and order.
• A DomainDataSource control that uses a data provider model which enables the developers to build their own custom business logic.
• A datasource control for ADO.NET Data Services that works with ASP.NET and an ADO.NET Data Service Provider for Dynamic Data.
• Starter templates for building new applications with the bits for DomainService, Entity Framework and Linq to SQL.
• Simple Dynamic Data for adding field templates, validation, and entity template support to existing ASP.NET data driven pages.

Download: ASP.NET Dynamic Data Preview 4 Refresh

This also contains the Dynamic Data Futures project which contains some things we the team is considering for future releases of Dynamic Data.

ASP.NET Dynamic Data MVC Preview contains a preview release of Dynamic Data MVC. This contains samples of how Dynamic Data support may be added to future releases of MVC.

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How To Create MultiColum Dropdownlist using DropDownExtender Control

In this programming field a developer always facing a new requirement, need from their clients and as per the requirement new controls, tips and techniques developed.

Today, i am here to find out that how can we create a multi coloumn dropdown in asp.net

Visit the following link .....

AJAX CascadingDropdown Control SQL DataBinding

AJAX CascadingDropdown extender control provides the functionality to load the data in ASP.Net dropdown list controls using AJAX based web service methods. AJAX CascadingDropdown extender works with 2 or more Dropdownlist controls that enable you to load the primary data in first dropdown and further it populates the second Dropdown list control dynamically with related data on selected index change event of first dropdownlist.

All this functionality performs without refreshing the ASP.Net web page. In this sample we have used the Northwind SQL Database to load the category names in first Dropdownlist control that will populate the related products into the second dropdownlist control accroding to the category name selected.

Download the sample code .......

Click here for details .......

Flash Control for ASP.NET

FlashControl is an ASP.NET server control which allow you to add swf Flash movies or Flex in your ASP.NET projects. As any WebControl, you can add FlashControl in Visual Studio Toolbox, and just drag and drop it in your ASP.NET web pages ! It is now compatible with ASP.NET AJAX!






Click here for details ......

ASP.NET Tab Generator

One of the controls I feel ASP.NET is missing is a tab control. While this itself is not a control, it will create the code you need to simulate tabs and tab views.

You can see an example of how the feature works right now! The "Info" and "Changelog" tabs above were made using this tool.

Click here for details ......

Lazy Loading jQuery Tabs with ASP.NET

This article looks at efficient use of jQuery tabs when displaying data. Specifically, it covers how to lazy-load data, so that it is only accessed and displayed if the tab is clicked.

Lazy Loading is a well-known design pattern that is intended to prevent redundant processing within your application. In the case of tabbed data, there seems little point retrieving and binding data that appears in a tabbed area that no one looks at. So, this examples covers how to defer data access and display until the user wants it - which is defined by them clicking the relevant tab.

Click here for details ......