GetFieldType(Int32) Method
Gets the
System.Type that is the data type of the object.
public override Type GetFieldType(
int
)
'Declaration
Public Overloads Overrides Function GetFieldType( _
ByVal As Integer _
) As Type
Parameters
- i
Return Value
The
System.Type that is the data type of the object.
This sample shows how to retrieve names and types of all columns in a table.
public void GetFields(SQLiteConnection sqConnection)
{
SQLiteCommand cmd = new SQLiteCommand("SELECT * FROM Dept");
cmd.Connection = sqConnection;
sqConnection.Open();
try
{
SQLiteDataReader reader = cmd.ExecuteReader();
reader.Read();
for (int i=0;i < reader.FieldCount;i++)
{
string fieldType = reader.GetDataTypeName(i);
string fieldName = reader.GetName(i);
string fieldType2 = reader.GetFieldType(i).FullName;
Console.WriteLine(fieldName+"\t"+ fieldType+"\t"+ fieldType2);
}
reader.Close();
}
finally
{
sqConnection.Close();
}
}
Public Sub GetFields(ByVal sqConnection As SQLiteConnection)
Dim cmd As SQLiteCommand = New SQLiteCommand("SELECT * FROM Dept")
cmd.Connection = sqConnection
sqConnection.Open()
Try
Dim reader As SQLiteDataReader = cmd.ExecuteReader()
reader.Read()
Dim i As Integer
For i = 0 To reader.FieldCount - 1
Dim fieldType As String = reader.GetDataTypeName(i)
Dim fieldName As String = reader.GetName(i)
Dim fieldType2 As String = reader.GetFieldType(i).FullName
Console.WriteLine(fieldName & Chr(9) & fieldType & Chr(9) & fieldType2)
Next i
reader.Close()
Finally
sqConnection.Close()
End Try
End Sub