private void btnAdd_Click(object sender, EventArgs e)
        {
            FormExchangeRate_Edit objForm = new Base.FormExchangeRate_Edit();

            objForm.iModel = 1;
            if (objForm.ShowDialog() == DialogResult.OK)
            {
                LoadDataSource();
            }
        }
 private void btnModify_Click(object sender, EventArgs e)
 {
     if (this.myDataGridView1.CurrentRowNew != null)
     {
         if (this.myDataGridView1.Rows[this.myDataGridView1.CurrentRowNew.Index].Cells["年"].Value != DBNull.Value)
         {
             int     year  = (int)this.myDataGridView1.Rows[this.myDataGridView1.CurrentRowNew.Index].Cells["年"].Value;
             int     month = (int)this.myDataGridView1.Rows[this.myDataGridView1.CurrentRowNew.Index].Cells["月"].Value;
             decimal rate  = (decimal)this.myDataGridView1.Rows[this.myDataGridView1.CurrentRowNew.Index].Cells["汇率"].Value;
             FormExchangeRate_Edit objForm = new Base.FormExchangeRate_Edit();
             objForm.iModel = 2;
             objForm.iYear  = year;
             objForm.iMonth = month;
             objForm.rate   = rate;
             if (objForm.ShowDialog() == DialogResult.OK)
             {
                 LoadDataSource();
             }
         }
     }
 }