GetString(Int32) Method

In This Topic

Gets the value of the specified column as a string.

Syntax

Visual Basic
C#


'Declaration Public Overloads Overrides Function GetString( _ ByVal i As Integer _ ) As String


public override string GetString( int i )

Parameters

i

Return Value

The value of the specified column.

Remarks

Call IsDBNull to check for null values before calling this method.

Example

csharp


static void GetMyString(PgSqlConnection myConnection) { PgSqlCommand cmd = new PgSqlCommand("SELECT * FROM Test.AllTypes"); cmd.Connection = myConnection; myConnection.Open(); try { PgSqlDataReader reader = cmd.ExecuteReader(); reader.Read(); string recievedString = reader.GetString(reader.GetOrdinal("StringCol")); reader.Close(); } finally { myConnection.Close(); } }

static void GetMyString(PgSqlConnection myConnection) {
  PgSqlCommand cmd = new PgSqlCommand("SELECT * FROM Test.AllTypes");
  cmd.Connection = myConnection;
  myConnection.Open();
  try
  {
    PgSqlDataReader reader = cmd.ExecuteReader();
    reader.Read();
    string recievedString = reader.GetString(reader.GetOrdinal("StringCol"));
    reader.Close();
  }
  finally
  {
    myConnection.Close();
  }
}

Visual Basic


Shared Sub GetMyString(ByVal myConnection As PgSqlConnection) Dim cmd As New PgSqlCommand("SELECT * FROM Test.AllTypes") cmd.Connection = myConnection myConnection.Open() Try Dim reader As PgSqlDataReader = cmd.ExecuteReader reader.Read() Dim recievedString As String = reader.GetString(reader.GetOrdinal("StringCol")) reader.Close() Finally myConnection.Close() End Try End Sub

Shared Sub GetMyString(ByVal myConnection As PgSqlConnection)
  Dim cmd As New PgSqlCommand("SELECT * FROM Test.AllTypes")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As PgSqlDataReader = cmd.ExecuteReader
    reader.Read()
    Dim recievedString As String = reader.GetString(reader.GetOrdinal("StringCol"))
    reader.Close()
  Finally
    myConnection.Close()
  End Try
End Sub

Reference

PgSqlDataReader Class
PgSqlDataReader Members
Overload List

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