What is the difference between eval and databinder.eval

OnDataBinding EventArgs. Eval Container. Eval Container, "DataItem. ToString is not needed for the string type The above three performance is the best. The following is a small example of using the Eval method:. Tech Community Register Log in. The difference between Eval and DataBinder. Eval methods. FaceBook Share. DataItem, fieldname is simplified to Eval fieldname. The Eval method, like DataBinder.

Eval, can accept an optional format string parameter. Eval requires parameters to specify the container. For this reason, Eval can only Used in the template of the bound control, but cannot be used in the Page page layer. Eval is still supported, you can use it in an environment that does not support the simplified Eval syntax Use it.

Bind to arbitrary User code is prohibited. The key is the second line: return DataBinder. GetDataItem , expression ; Page.

GetDataItem is also a new method added in 2. Its purpose is to replace Container. DataItem in ASP. It seems that it is difficult to understand the principle of Eval without knowing the GetDataItem method. So he has the Peek method.

This piece of code is easy to understand, first determine whether the Stack is instantiated, and then determine whether there are any elements in the Stack. If the Stack is not instantiated or has no elements, an exception is thrown. Finally, the element at the top of the stack is returned. We quickly found a method for pressing and popping elements for this stack: Control. If there is a DataItem pushed on the stack, it will pop out later.

OnDataBinding EventArgs. Take out the DataItem. Eval Container, "DataItem. Hi, well what I read is that databinder. Eval convert the returning type to string and its basically used in control that are containers which are datagrid, datalist and repe How to Implement? I want to create a control with ITemplates for databound sections of the control where the user can take advantage of the declarative syntax: Eval "Whatever" How exactly to I communicate what Container.

DataItem holds? Is the db created with asa7 eval. Is the following possible and legal: - To install asa7 evaluation on our potiential clients' machines and let them create a db which they use for 30 days.

This is the amount of time they're allowed to test our application before purchase. My question is then: is it possible to continue using the db created with the evalution asa7 or is it somehow marked as an eval. Thanks, M. Lohse I doubt the database is "marked" as an eval database. It should be Databinding with the DataBinder. Eval expression Hi, I have a Repeater control called rptQuestions.

The Repeater is databound to a DataTable "dtQuestions". How do I go about doing this? A bit of info about the above-mentioned datatables: Only "dtCorrectAnswers" is populated from sql.

Here are a couple of questions Is there a potential confict with having both versions on my machine. I don't want to uninstall express since I may have to do back to it in days. How do I access the Eval version? I found the folder where Should the use of eval recommend EVAL? Did you mean 'val'? Would it be possible to recommend 'EVAL' as well? Eval Hi, In the quickstart tutorial it mentioned that DataBinder. Eval uses latebound and causes performance penalty.

What's the alternative for that? WillWe eat ham and jam and spam a lot! I'll give a simple example in C and VB. Let's imagine you have this databinding expression: DataBinder. Archived Forums. Getting Started with ASP. NET question on a topic that's not covered by one of the other more specific forums - ask it here. Sign in to vote. User posted What is the difference between DataBinder.

Eval and Eval and when would I use them in the 2.