Share via

SqlCeResultSet.GetInt32 메서드

  • 아티클

지정된 인덱스의 열 값을 Int32로 반환합니다.

네임스페이스:  System.Data.SqlServerCe
어셈블리:  System.Data.SqlServerCe(System.Data.SqlServerCe.dll)

구문

‘선언
Public Overrides Function GetInt32 ( _
    ordinal As Integer _
) As Integer
‘사용 방법
Dim instance As SqlCeResultSet
Dim ordinal As Integer
Dim returnValue As Integer

returnValue = instance.GetInt32(ordinal)

public override int GetInt32(
    int ordinal
)

public:
virtual int GetInt32(
    int ordinal
) override

abstract GetInt32 : 
        ordinal:int -> int 
override GetInt32 : 
        ordinal:int -> int 

public override function GetInt32(
    ordinal : int
) : int

매개 변수

반환 값

유형: System.Int32
지정한 인덱스에 있는 열의 값입니다.

구현

IDataRecord.GetInt32(Int32)

주의

지정한 서수 위치에 필드가 없으면 예외가 throw됩니다.

예

Dim conn As SqlCeConnection = Nothing

Try
    File.Delete("Test.sdf")

    Dim engine As New SqlCeEngine("Data Source = Test.sdf")
    engine.CreateDatabase()

    conn = New SqlCeConnection("Data Source = Test.sdf")
    conn.Open()

    Dim cmd As SqlCeCommand = conn.CreateCommand()
    cmd.CommandText = "CREATE TABLE myTable (col1 INT)"
    cmd.ExecuteNonQuery()

    cmd.CommandText = "SELECT * FROM myTable"

    Dim rs As SqlCeResultSet = cmd.ExecuteResultSet(ResultSetOptions.Updatable Or ResultSetOptions.Scrollable)

    Dim rec As SqlCeUpdatableRecord = rs.CreateRecord()

    ' Insert 10 records
    '
    Dim i As Integer
    For i = 0 To 9
        rec.SetInt32(0, i)
        rs.Insert(rec)
    Next i

    ' Scroll through the results
    '
    If True = rs.ReadFirst() Then
        MessageBox.Show("col1 = " & rs.GetInt32(0)) 'ordinal
    End If

    If True = rs.ReadRelative(5) Then
        MessageBox.Show("col1 = " & rs.GetInt32(0)) 'ordinal
    End If

    If True = rs.ReadLast() Then
        MessageBox.Show("col1 = " & rs.GetInt32(0)) 'ordinal
    End If

    If True = rs.ReadPrevious() Then
        MessageBox.Show("col1 = " & rs.GetInt32(0)) 'ordinal
    End If

    If True = rs.ReadAbsolute(5) Then
        MessageBox.Show("col1 = " & rs.GetInt32(0)) 'ordinal
    End If
Catch e As Exception
    MessageBox.Show(e.Message)
Finally
    conn.Close()
End Try

SqlCeConnection conn = null;

try
{
    File.Delete("Test.sdf");

    SqlCeEngine engine = new SqlCeEngine("Data Source = Test.sdf");
    engine.CreateDatabase();

    conn = new SqlCeConnection("Data Source = Test.sdf");
    conn.Open();

    SqlCeCommand cmd = conn.CreateCommand();
    cmd.CommandText = "CREATE TABLE myTable (col1 INT)";
    cmd.ExecuteNonQuery();

    cmd.CommandText = "SELECT * FROM myTable";

    SqlCeResultSet rs = cmd.ExecuteResultSet(ResultSetOptions.Updatable | 
        ResultSetOptions.Scrollable);

    SqlCeUpdatableRecord rec = rs.CreateRecord();

    // Insert 10 records
    //
    for (int i = 0; i < 10; i++)
    {
        rec.SetInt32(0, i);
        rs.Insert(rec);
    }

    // Scroll through the results
    //
    if (true == rs.ReadFirst())
    {
        MessageBox.Show("col1 = " + rs.GetInt32(0 /*ordinal*/));
    }

    if (true == rs.ReadRelative(5))
    {
        MessageBox.Show("col1 = " + rs.GetInt32(0 /*ordinal*/));
    }

    if (true == rs.ReadLast())
    {
        MessageBox.Show("col1 = " + rs.GetInt32(0 /*ordinal*/));
    }

    if (true == rs.ReadPrevious())
    {
        MessageBox.Show("col1 = " + rs.GetInt32(0 /*ordinal*/));
    }

    if (true == rs.ReadAbsolute(5))
    {
        MessageBox.Show("col1 = " + rs.GetInt32(0 /*ordinal*/));
    }
}
catch (Exception e)
{
    MessageBox.Show(e.Message);
}
finally
{
    conn.Close();
}

참고 항목

참조

SqlCeResultSet 클래스

System.Data.SqlServerCe 네임스페이스