Read Method (SqlShimDataReader)
public override bool Read()
'Declaration
Public Overrides Function Read() As Boolean
Return Value
true if there are more rows; otherwise, false.
The following example creates a
Devart.Data.Sugar.SugarConnection, a
Devart.Data.Sugar.SugarCommand, and a
SqlShimDataReader. The example reads through the data, writing it out to the console. Finally, the example closes the
SqlShimDataReader, then the
Devart.Data.Sugar.SugarConnection.
public void ReadMyData(string myConnString)
{
string mySelectQuery = "SELECT id, name FROM Campaigns";
SugarConnection sugarConnection = new SugarConnection(myConnString);
SugarCommand sugarCommand = new SugarCommand(mySelectQuery,sugarConnection);
sugarConnection.Open();
SugarDataReader sugarReader;
sugarReader = sugarCommand.ExecuteReader();
// Always call Read before accessing data.
while (sugarReader.Read()) {
Console.WriteLine(sugarReader.GetString(0) + ", " + sugarReader.GetString(1));
}
// always call Close when done reading.
sugarReader.Close();
// Close the connection when done with it.
sugarConnection.Close();
}
Public Sub ReadMyData(myConnString As String)
Dim mySelectQuery As String = "SELECT id, name FROM Campaigns"
Dim sugarConnection As New SugarConnection(myConnString)
Dim sugarCommand As New SugarCommand(mySelectQuery, sugarConnection)
sugarConnection.Open()
Dim sugarReader As SugarDataReader
sugarReader = sugarCommand.ExecuteReader()
' Always call Read before accessing data.
While sugarReader.Read()
Console.WriteLine(sugarReader.GetString(0) + ", " _
+ sugarReader.GetString(1))
End While
' always call Close when done reading.
sugarReader.Close()
' Close the connection when done with it.
sugarConnection.Close()
End Sub