Which is better entity framework or ado.net?

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What are the 3 major types of connection objects in ado.net?

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List all the steps in order, to access a database through ado.net?

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How to read data with the sqldatareader ?

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What are the 4 types of classes in ADO.NET?

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What happens when u try to update data in a dataset in .NET while the record is already deleted in SQL SERVER as backend?

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i want 2 pass values(enterd in textbox)to table in sql server without using stored procedure in c#.plz tell me code with an example.

5 Answers   Softcon, Tecra,

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OleDbDataAdapter ole=new OleDbDataAdapter(new OleDbCommand ("select * from login",oleDbConnection1)); OleDbCommandBuilder cmd=new OleDbCommandBuilder(ole); ole.Fill(dataSet11,"login"); DataRow drow=dataSet11.Tables ["login"].NewRow(); drow[0]=textBox1.Text; drow[1]=textBox2.Text; drow[2]=textBox3.Text; dataSet11.Tables["login"].Rows.Add (drow); ole.UpdateCommand=cmd.GetUpdateCommand(); ole.Update(dataSet11,"login"); MessageBox.Show("one row added"); this gives exception.how to solve it

1 Answers   Nimaya,

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How can you identify whether or not any changes are made to the DataSet object since it was last loaded?

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Define the executescalar method?

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What connected data?

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Command objects uses, purposes and their methods.

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