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In real scenario, you should create separate projects for BAL, DAL (as Class Library) and UI (as Web project) and reference your BAL into UI. I wonder if you can come up with the same but using Ajax Tabs. Like having add button in Grid View will switch you to Tab Panel (Add new) and then perform the add ... But would like to see if you can come up with Tabs and your example above. I have one question about passing the data between layers.Free counters Added on January 19,2012 Follow Me @vmsdurano A bit About Me Disclaimer The opinions expressed herein are my own personal opinions and does not represent the opinions of my employers.For more information about events, see the Handling and Raising Events article. NET Framework Available since 1.1 Portable Class Library Supported in: portable .3-Tier architecture is a very well know buzz word in the world of software development whether it web based or desktop based. Below is the code for BAL (Your can overwrite your default written code for the class file by pasting this code). You can also navigate to another page your created (list.aspx) and try updating, deleting records.NET with C# 3-Tier architecture generally contains UI or Presentation Layer, Business Access Layer (BAL) or Business Logic Layer and Data Access Layer (DAL). Independence - layers are established so that if one is modified (to some extent) it will not affect other layers. Reusability - As the layers are seperated, it can exist as a module that can be reused by other application by referencing it.Presentation Layer (UI) Presentation layer cotains pages like or windows form where data is presented to the user or input is taken from the user. Hope this article helped you understanding 3-Tier architecture and desiging it. Updated on July 01 2008: Source Code attached Full Name: Sheo Narayan Member Level: Honorary Platinum Member Status: Administrator Member Since: 7/8/2008 PMCountry: India Regards, Sheo Narayan MVP, Author, Writer, Mentor & architecting applications since year 2001.In this article I am going to show how to design a web application based on 3-tier architecture. Code for Business Access Layer using System; using System. By using 3-Tier architecture in your project you can achive 1.
Gird View contain Check Box Field that display checkbox in each item in Grid View control.hi everyone,i am not getting the following question? please help me i have three columns in gridview,in that first two of them are datavalues,third one is checkbox,i used the event,first column name is teacherid,secondcolumn name is teachername,thirdcolumn name is workingi created a table likecreate teacher(teacherid int identity(0,1),teachername varchar(20),working byte)protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) i am getting a error like this Unable to cast object of type 'System. Nor does it represent the opinion of my dog, because I don’t have one.
Free counters Added on January 19,2012 Follow Me @vmsdurano A bit About Me Disclaimer The opinions expressed herein are my own personal opinions and does not represent the opinions of my employers. Contol)Text; it werk just Fine any comment and thx for the code Instead of adding a Customer ID to your table and later pulling the text to get the ID number, a more reliable way to do it is to add a Data Key Names field to the grid example in the page: You can then access this information at any time with the following in code: Grid View1. Row Index]["id"]); You can do this with any field, but I've found customers get confused when they see the ID field and kept asking me why it was there, this also eliminates any issues if you change the display order of your table later (maybe add an edit/update/cancel control) Hey...great article ;)But I got a problem... So here I go with my example:protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) and the debugger says: Exception Details: System.
I am assuming that I have to play with record of persons (First Name, Last Name, Age) and I will refer only these data through out this article. just to give you flexibility to not show scroll bar for long screens.