DOT NET Interview Questions - DotNetSpider

CustomValidator
Used to define UserDefined validation.
ValidationSummary
Displays summary of all current validation errors.
Note:- It's rare that some one will ask step by step all the validation controls.Rather they
will ask for what type of validation which validator will be used.Example in one of the
interviews i was asked how do you display summary of all errors in the validation
control...So there goes the last one Validation summary.
(B) Can you explain what is “AutoPostBack” feature in
ASP.NET ?
If we want the control to automatically postback in case of any event , we will need to
check this attribute as true.Example on a ComboBox change we need to send the event
immediately to the server side then set the “AutoPostBack” attribute to true.
(B) How can you enable automatic paging in DataGrid ?
Following are the points to be done in order to enable paging in Datagrid :-
√
√
Set the “AllowPaging” to true.
In PageIndexChanged event set the current pageindex clicked.
Note:- The answers are very short , if you have implemented practically its just a
revision.If you are fresher just make sample code using Datagrid and try to implement this
functionality.
(B) What’s the use of “GLOBAL.ASAX” file ?
It allows to execute ASP.NET application level events and set application-level variables.
(B) What’s the difference between “Web.config” and
“Machine.Config” ?
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