Gridview rowupdating dataset
Now, create a class named Person BAL3 into App_Code folder by right clicking it and write respective methods for calling Insert, Delete, Update and Load methods of Data Access Layer class file (Person DAL3) (In my case I have a 3-Tier folder inside App_Code folder, you can directly add inside App_Code or you can create a separate project for BAL and add reference of this project into your Presentation Layer). In the above method, I am instantiating Person BAL3 and calling the Update method by p[assing required parameters.
May I request you to post it in the Questions section of this website? A little hint in order to solve your problem is "30-8-2008 " is not a correct Date Time format (try to convert or parse it to Date Time and you will get error). tulsi When you will use Sql Data Source, you are writing your select query, connectionstring and other stuffs at the page itself.Dear Sir, I find there is a format mismatch between i BO.Help Desk Call Date and txt Help Desk Request Date in the code-behind but really dont know how to fix it. Help Desk Call Date - txt Help Desk Request Date : "30-8-2008 " I am new to programming, but looking at this I feel IBO.For the ease of understanding, I have created BAL, DAL into the App_Code folder. pre 2) Can you post other similar article with Ajax? Because in practice we expect the delete to be performed with confirmation and also in details screen. Add new / Edit in 2 different tab panels - to have better usability. Regards, Sreedhar Thanks Vansree for your suggestions. Regarding pre class, I will let the webmaster know about it. As far as article on Ajax is concerned, I will try my best to post few articles on Ajax in coming days. Regards This is simpler example for 3-Tier Architecture.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. I have separate method for inserting, deleting, updating records into database and loading records from database. In the above code, I am instantiating Person BAL3 and calling Delete method by passing person ID as parameter so that select reocrds will be deleted from datbase.
Sql Client; /// In the above code, I have a member variable called conn Str that is getting database connection string from my web.config file that is being used through out the class. Code for Grid View Data Key Names="Person ID" Auto Generate Edit Button="True" Auto Generate Columns="False" On Row Editing="Edit Record" On Row Updating="Update Record" On Row Canceling Edit="Cancel Record" On Row Deleting="Delete Record" Page Size="5" Above method will fire when Delete link will be clicked on the Grid View.
Insert) by passing first Name, last Name, age as parameter.
Then I have instantiated Person BAL3 and calling Insert method of it (p BAL.
Because I am trying to implement this but not getting it.
The folder structure what i am looking for the 3 layers should be like this; --PRESENTATION LAYER --- (this is the startup project) --APP_CODE --APP_DATA --Web.config --DAL --cls Employees --cls Transport --BAL --cls Load --cls Get Employees this is what i need to implement. thanks & regards nazir k Nazirk, You need to use Visual Studio to create BAL and DAL as separate projects.
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.