Sequence to connect and retrieve data from database useig
dataset ?
Answer Posted / vaidyanathan r.
The sequence is
Step 1: Create a Connection Object with Connection String
Eg: <Provider**>Connection ActiveConnection = new
<Provider**>Connection(<ConnectionString>)
Step 2: Create a Command Object with Command Text and the
created Connection Object
Eg: <Provider**>Command Qry = new <Provider**>Command
(<Command Text>, ActiveConnection)
Step 3: Set the command Type for the created Command
Eg: Qry.CommandType = CommandType.Text
Step 4: Create Data Adapter with the created Command
Eg: <Provider**>DataAdapter da = new
<Provider**>DataAdapter(Qry*);
Step 5: Create a DataSet Object.
Eg: DataSet ds = new DataSet();
Step 6: populate the dataset by calling the fill method of
Data adaper against the Data set object
Eg: da.Fill(ds);
__________________________________________________________
*Qry contains a select query (or) Stored Procedure Name
containing a Select Query
** If the provider is SQL server then the Connection type
is SQLConnection, Command type is SQLCommand and Data
adapter type is SQLDataAdapter.
| Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
Does dapper use ado.net?
How can we check that some changes have been made to dataset since it was loaded?
What is difference between datatable and dataset?
What is the difference between typed and untyped dataset?
What are the data providers used in ado.net
How can I retrieve two tables of data at a time by using data reader?
Explain the difference between data reader and data adapter?
What does executequery return?
What are the pre-requisites for connection pooling?
What is ole access?
What is acid in ado.net?
What are ado.net objects?
Describe the command object and its method.
how we can fire event in databound coulm in datagfrid withot using button?
Explain how to create dynamic gridview?