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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

2 10537

How would u connect to database using .NET?

5 8826

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

3 31378

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

1 19126

Differences between dataset.clone and dataset.copy?

2 6964

What are the two fundamental objects in ADO.NET?

8 21556

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

2295

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

7 22409

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

1 10813

What does ADO.NET consists of ?

7 11953

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

3 7526

What is ODP.NET ?

1 8516

What provider ADO.net use by default?

10 20980

What is the default view of Data Grid?

5 12838

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 14982

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TCS ADO.NET Interview Questions


Un-Answered Questions

What are the advantages of react router.

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How can you manage a network using a router?

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What do we have to check in database testing?

573


Explain vbscript in detail?

603


name the data sources which are available with ti?

5






How to apply css to iframe?

262


According to the standard model of particle physics, what is the name for the three leptons that have no electric charge and little if any mass?

492


How do I merge cells vertically in excel?

316


How will you prove that the square root of 2 is irrational?

104


What are the advantages of using microsoft word?

333


How do I get the start button back in windows 8?

500


Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

2582


Explain what is the difference between power center & power mart?

507


What is pojo used for?

146


What are external variables in c?

526