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Devart.Data.Oracle Namespace / OracleSelectStatement Class / Clear Method
Example

In This Topic
    Clear Method (OracleSelectStatement)
    In This Topic
    Clears all parts of the OracleSelectStatement.
    Syntax
    'Declaration
     
    Public Overrides NotOverridable Sub Clear() 
    public override void Clear()
    Remarks
    Call OracleSelectStatement to empty all properties of the OracleSelectStatement object.
    Example
    The following example demonstrates how to use the Clear method.
    private void RefreshStatement(OracleSelectStatement stmt)
    {
      stmt.Clear();
      stmt.Columns.Add(new SelectColumn("ENAME"));
      stmt.Columns.Add(new SelectColumn("", "emp", "JOB", "j"));
      stmt.Columns.Add(new SelectColumn("test", "", "emp", "HIREDATE", "hd"));
    
      stmt.Tables.Add(new SelectTable("emp"));
    
      //select ENAME,emp.JOB j,Test.emp.HIREDATE hd from emp
      string queryText = stmt.ToString();
    }
    Private Sub RefreshStatement(ByVal stmt As OracleSelectStatement)
      stmt.Clear()
      stmt.Columns.Add(New SelectColumn("ENAME"))
      stmt.Columns.Add(New SelectColumn("", "emp", "JOB", "j"))
      stmt.Columns.Add(New SelectColumn("test", "", "emp", "HIREDATE", "hd"))
      stmt.Tables.Add(New SelectTable("emp"))
      'select ENAME,emp.JOB j,Test.emp.HIREDATE hd from emp
      Dim queryText As String = stmt.ToString
    End Sub
    See Also