Can we do database operations without using any of the ADO.net objects?This was an interview question
Latest Answer: no it is impossible ...
One interview I faced a Q:how can i retrieve two tables of data at a time by using data reader?Data reader read and forward only, how is
it possible to get 2 tables of data at a time
Latest Answer: This is absolutely true that theoretically you can't access two resultset concurrently using Datareader due to its nature of having the connection state with database and forward only traversing. However, if it is possible to have the data from two ...
I am getting InvalidCastException as (Specified cast is not valid) while updating 2nd column in a datagrid? Id,firstname,lastname are the three columns of my datagrid respectively. I wanted to edit the
Latest Answer: After seeing ur code i understood that u haven't call the bind method.gridview1.EditItemIndex = -1;after this u call the bind method .gridview1.databind();//in this place u call the grid bind method n try it once. ...
Latest Answer: The DataGrid default view is tabular form and optionally supports selecting, sorting, paging, and editing the data ...
What is Pull Model and Push Model in ADO.Net? What are the situations when we use one over the other?
Which one of the following objects is a high-level abstraction of the Connection and Command objects in ADO.NET?DataReaderDataSetDataTableDataViewDataAdapter
DataAdapter
Latest Answer: About DataSet
1. ASP.NET DataSet is Designed for connected access.
2. Dataset is a data structure, which represents the complete table data at same
time.
3. Dataset is just a data store and manipulation is done through DataAdapters in
.NET.
4. ...
How many App Domains an ASP.NET Worker Process creates if suppose 10 different users are logged into the web site
What is the difference between .Net framework and .Net Compact Framework?Is there any diffence between these two
Latest Answer: TO Connect to a DatabaseFirst we need to have a namespace like System.Data.Sqlclientthen connect to database as follows1.Create connection using SqlConnection Sqlconnection con=new sqlconnection("Connectionstring")2.Open connection con.Open()3.Pass ...
View page [1] 2 3 Next >>
Go Top
