SQL – INSERT with Scope_Identity() – getting the record id
I have an ASP.NET page written in VB.NET that gets the items into a GridView by using a SELECT statement with INNER JOIN and also allows you to add an item to the invoice.
vb.net
cross page posting
i am just trying the example of cross page posting.
i have added 1 textbox & 1 button to default.aspx page
How to assign a method’s output to a textbox value without code behind
How do I assign a method’s output to a textbox value without code behind?
Enforcing Database Constraints In Application Code
I’m working on my first real asp.net web application and I’m kind of stumped on the best place and method to trap and handle database constraint violations. Suppose I have a unique constraint on a column and a user inputs something that would violate that unique constraint. Do I catch it in the business layer by making a call to the database to check of the value exists for that column or do I let it go all the way to the database and let it throw an exception and handle that in my application?
Add an “Export to Excel” button to a webpage to export gridview to excel in webapplication
i built a patient management software for a clinic and i need to export patiet list from ASP.net grid view to excel file
Dynamically created DropDownList loses ListItems on Postback
I have a page that contains some dynamically created controls (TextBox and DropDownList). When a postback occurs, the TextBoxes keep their values, but the DropDownLists lose their ListItems.
This is quite confusing, since the page level DropDownList also keeps its ListItems. Can anyone see what’s wrong with the code below?
Unit Test ASP.net Page_Load
How can create a unit test for the the Page_Load function in ASP.net?
Error BC30002 – Type XXX is not defined
OK, this begins to drive me crazy. I have an asp.net webapp. Pretty straightforward, most of the code in the .aspx.vb, and a few classes in App_Code.
Why is my Boolean not being assigned the correct value?
I’ve got this ASP.Net code:
Dynamic Event Handler not Firing
I want to create an amount of controls dynamically based on a number the user enters into a textbox. This part I have working fine, but I also need the dynamically created textboxes to have event handlers of their own, so the user can enter a number into them, and have more controls created.