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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

2 8712

How would u connect to database using .NET?

5 6285

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

3 29185

What are the differences between RAW, AUTO and Explicit modes in retrieving data from SQL Server in XML format?

1 16728

Differences between dataset.clone and dataset.copy?

2 5294





What are the two fundamental objects in ADO.NET?

8 17909

how can implement dropdownlist in particular of dataset when try to update?

1702

Call a stored procedure from ado.net and pass parameter to it ?

7 19282

Where does ADO.NET and XML web services come in the architecture ?

1 9693

What does ADO.NET consists of ?

7 9311

What is the key feature of ADO.NET compared to ADO ?

3 5861

What is ODP.NET ?

1 7326

What provider ADO.net use by default?

10 17135

What is the default view of Data Grid?

5 10266

How To Update A Column In A DataGrid Using C#.NET? 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 second column(lastname) and update it. I did the following code in DataGrid's updatecommand(),but failed to update ! Int varid=(int)DataGrid1.DataKeys[e.Item.ItemIndex]; TextBox lnm=(TextBox)e.Item.Cells[2].Controls[0]; string str=lnm.Text ; SqlCommand cmd=new SqlCommand("update customer set lastname='" + str + "' where id=" + varid + "",con); cmd.ExecuteNonQuery(); DataGrid1.EditItemIndex=- 1; DataGrid1.DataBind();

2 13441

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Un-Answered Questions

Can we use Polystyrene as a Bitumen modifier !! if so is it a good MS research topic ? and what type of laboratory tests will be conducted during Research work ??

1094


How work of capacitor in dc supply...???

332


Hi Friends..... I am interested to write Groups.Can anyone guide me?Till now i didn't gave any attempt.How many attempts will be there for Group-1/Group-2/Civils?How much amount to spent totally to complete a particular one?And how much time to spend?I am thinking to give my first attempt in the year 2009.

773


what are the values of compressieve strenght?

935


How to Access a FIFO?

641






hai! i am a BE(computer science) graduate with 54% of aggregate looking for bank clerk job? in interview they are asking why are you looking for a bank job and what guareente that once you are selected ? plz guide me?

903


In our project, we use Withdrawal Indent, we are confused to use heading as "Withdrawal Indent" or "Withdraw Indent". Please suggest me which one to use ASAP, Thanks in advance

810


IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

1185


What are Visual Debugger?

1083


Hi..Guys, (1). Iam intrested in Webdesinging, can u pls tell me openings for the post of webdesigners in any company.. (2). Pls let me know the new openings in any MNC around Hyderabad.

930


Topic- looping,function overloading,nesting ,polymorphism. Aim - to write a function with a name buzz-buds,that will check whether the given numbers are buddies or not on the basis of no. of parameters passed during function calling.

954


how to check and keep control on the wastage of material at site

1107


why the name trunking bus PT

1693


Why the diesel generator suddenly increases the output voltage and avr get shorted ... And also increases the load the generator decreases the voltage why ..and also the output power in amps generated in 30 kv diesel generator ..

1142


list three things you can do with the files you create by recording your voice on your computer?

8257






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