ServerConnection.ExecuteReader-Methode (String)
Executes Transact-SQL statements that return one or multiple result sets.
Namespace: Microsoft.SqlServer.Management.Common
Assembly: Microsoft.SqlServer.ConnectionInfo (in Microsoft.SqlServer.ConnectionInfo.dll)
Syntax
'Declaration
Public Function ExecuteReader ( _
sqlCommand As String _
) As SqlDataReader
'Usage
Dim instance As ServerConnection
Dim sqlCommand As String
Dim returnValue As SqlDataReader
returnValue = instance.ExecuteReader(sqlCommand)
public SqlDataReader ExecuteReader(
string sqlCommand
)
public:
SqlDataReader^ ExecuteReader(
String^ sqlCommand
)
member ExecuteReader :
sqlCommand:string -> SqlDataReader
public function ExecuteReader(
sqlCommand : String
) : SqlDataReader
Parameter
- sqlCommand
Typ: System.String
A String value that specifies the Transact-SQL command to be executed.
Rückgabewert
Typ: System.Data.SqlClient.SqlDataReader
A SqlDataReader object value that contains one or more result sets.
Hinweise
The SqlDataReader object is returned to let the client process the data without requiring it to read all information into memory.
Beispiele
C#
ServerConnection conn = new ServerConnection();
conn.DatabaseName = "AdventureWorks2012";
SqlDataReader reader = conn.ExecuteReader("SELECT Name, CostRate FROM Production.Location");
while (reader.Read())
{
string name = (string)reader["Name"];
decimal cRate = (decimal)reader["CostRate"];
Console.WriteLine(name + "(" + cRate + ")");
}
reader.Close();
PowerShell
$conn = new-object Microsoft.SqlServer.Management.Common.ServerConnection
$conn.DatabaseName = "AdventureWorks2012"
$reader = $conn.ExecuteReader("SELECT Name, CostRate FROM Production.Location")
while ($reader.Read())
{
$name = $reader.GetValue(0);
$cRate = $reader.GetValue(1);
Write-Host $name,"(",$cRate,")"
}
$reader.Close()