DotNetKicks.com : Stories kicked by amit.jain

images in Gridview or DataList

Mon, 29 Jun 2009 13:16:45 GMT

In this example i am going to explain how to display Images in GridView or DataList using ObjectDataSource. For this first of all we need to create a Object to populate gridview or DataList. Right click on solution explorer and add new class, name it whatever you want to.

Read write word file in ASP.NET

Wed, 17 Jun 2009 14:07:56 GMT

In this article i am going to describe how to read and write to ms word file or document in ASP.NET using FileStream, StreamReader and StreamWriter. For this i've added a textbox for input text to be written in word document and a button to write, same for reading text from word file.

Custom membership provider database for Login Control

Fri, 12 Jun 2009 09:57:17 GMT

If you want to use Login Control of ASP.NET with Custom DataBase and custom membership Provider than follow the steps mentioned in this article. In this example i m going to describe how to change and use custom Database with Login Control in ASP.NET. First of all you need to create DataBase schema for membership. For this create a DataBase in sql server with any name you want. Now open Visual studio command prompt and type aspnet_regsql , press enter this will open wizard window to setup database for membership provider

Insert Edit Update GridView with ObjectDataSource in asp.net

Tue, 09 Jun 2009 15:02:08 GMT

In this example i am going to describe how to edit and update GridView using ObjectDataSource For this i've created a simple database with a table named Details having 3 columns ID,Name and Location. Open Visual studio and create a new website. Now right click on solution explorer and select add new Item > Sql Database > name it DataBase.mdf Create a table with columns i mentioned above in this Database. Right click on Solution explorer and Select add new Item > choose DataSet from the dialog box

ASP.NET Sending Email from Gmail account

Mon, 08 Jun 2009 07:58:58 GMT

If you want to send email using your Gmail account or using Gmail's smtp server in ASP.NET application or if you don't have a working smtp server to send mails using your ASP.NET application or aspx page than sending e-mail using Gmail is best option. you need to write code like this

Display Progress Image in Ajax Autocomplete textbox using javascript

Wed, 27 May 2009 07:06:05 GMT

In this example i m going to describe how to add animated Progress Image inside Ajax Auto complete extender textbox to represent loading of data. For achieving this functionality i am using two different approaches for different versions of AjaxControlToolkit.dll

Register dll and assembly in asp.net

Tue, 26 May 2009 13:49:47 GMT

To register custom control dlls and user control ascx, we need to write in page directive of aspx html source But using this we need to register our ascx control or dll in every page we want to use , if we need to use control or dll in more than one page or in several pages than we can register controls and dlls in web.config file

Auto Numbering Column in GridView or DataList

Sat, 23 May 2009 03:33:37 GMT

Several times we need to display Auto Number or serial number for displaying records in gridview or other similar controls in ASp.NET. We can add AutoNumber column by using Container.DataItemIndex property in html markup of the Gridview.

Shopping cart example in C# ASP.NET

Thu, 21 May 2009 04:43:45 GMT

In this example i'm using GridView and DataList controls to create Products page and Product Details page in online shopping cart example

Add checkbox dynamically and handle CheckedChanged event in asp.net

Mon, 18 May 2009 21:49:59 GMT

Several times we need to add dynamic controls in asp.net application using code behind. In this post i am going to describe how to add dynamic CheckBox and assign CheckChanged event in asp.net using C# and VB.NET To add a checkbox when page is loaded we need to write this code in page_Load Event

GridView Insert edit record with SqlDataSource

Fri, 15 May 2009 02:42:59 GMT

In this example i am going to describe how to Insert record or edit or delete record in GridView using SqlDataSource. For inserting record, i've put textboxes in footer row of GridView using ItemTemplate and FooterTemaplete.

Edit Delete multiple records in gridview with checkbox

Wed, 06 May 2009 04:37:16 GMT

In this article i am going to explain 2 different approaches to Edit, update and delete multiple records in Gridiew with checkboxes to select rows to be edited with delete confirmation using JavaScript.

Changing Mode of DetailsView or FormView from default mode

Sun, 03 May 2009 17:24:18 GMT

If you have a DetailsView or FormView on your aspx page and you have set it's Default mode to Insert than after inserting the record if u wanna change the mode , u would write this code in ItemInserted Event

multiple rows or records deletion in gridview using checkbox

Fri, 01 May 2009 22:24:15 GMT

Several times while developing web applications we need to implement functionality to delete bulk / multiple rows or records in Gridview using checkbox to select rows / records to be deleted with confirmation dialog box. In this example i am showing how to achieve it.

Bypass or skip forms authentication or for selected pages in ASP.NET

Sat, 18 Apr 2009 04:50:31 GMT

Some readers ask me how to skip or bypass forms authentication or Authorization for selected pages in asp.net or a scenario where only few pages on site needs user to log in rest can be accessed without login.

pass variable using querystring and linkbutton in gridview in asp.net

Tue, 14 Apr 2009 20:31:51 GMT

In this example i'm going to show how to work with LinkButton in GridView and passing variable to other page and populate another gridview based on it using QueryString and QueryStringParameters. For this example , there is no need of any code behind.

Detect IP Address behind Lan or proxy in asp.net

Mon, 13 Apr 2009 19:08:53 GMT

If you want to find the IP address of visitors to your aspx page or application or wanna retrieve IP for other uses than u need to write this code Using this code we can find IP address of visitor even if visitor is behind any proxy

Disable copy paste cut and right click in textbox in asp.net

Sun, 12 Apr 2009 22:29:19 GMT

Some time for many reasons we don't want to allow user to use right click to copy paste or by using ctrl+C , ctrl+v to copy and paste in textbox on a aspx page in asp.net To implement this we can use javascript we can achieve this in 2 ways

Implementing Ajax cascading drop down list with database in Gridview

Fri, 10 Apr 2009 04:36:31 GMT

There are several cases when you have two or three dropdowns in gridview and want second one (and third one) to be populated based on selection of first and second dropdownlist. In this example i've implemented Ajax cascading drop down list in EditItemTemaplete of GridView

Visual studio error unable to attach binding handle invalid

Thu, 09 Apr 2009 04:35:00 GMT

If you are getting unable to attach, binding handle is invalid error while running the web application in visual studio and unable to debug. Than you need to take these steps to fix this error

Method error 500 / 12031 in ajax cascading dropdown extender

Thu, 09 Apr 2009 04:01:57 GMT

If you are getting Method error 500 or method error 12031 in populating dropdown using ajax cascading dropdown, than you may have missed to include below mentioned line of code in code behind of your asmx (webservice) file

JavaScript window.close() in firefox

Mon, 06 Apr 2009 18:26:41 GMT

If you are developing a ASP.NET application and have written a javascript to close browser window using window.close this won't work in Mozilla firefox And the reason for this is This method is only allowed to be called for windows that were opened by a script using the window.open method.

Disable browser back button using javascript in ASP.NET

Sat, 04 Apr 2009 23:42:39 GMT

In this example i'm explaining how to disable browser's back button to avoid user going to previous page by clicking on back button of browser, for this we need to use javascript to prevent user navigating to previous page by hitting back button.

Highlight gridview mouseover using javascript in asp.net

Wed, 01 Apr 2009 05:40:19 GMT

If you want to highlight rows in Gridview on mouse hover or mouseover event by using client side javascript than you can do it in following way.

Configure and troubleshooting sql server reporting services

Tue, 31 Mar 2009 19:49:24 GMT

In this article i am going to describe how to install, configure and troubleshoot sql server reporting services