(this.FormView1.FindControl("BeginDateTextBox") as TextBox).Text = DateTime.Now.ToString("yyyy-MM-dd");
(this.FormView1.FindControl("EndDateTextBox") as TextBox).Text = DateTime.Now.AddDays(7).ToString("yyyy-MM-dd");
(this.FormView1.FindControl("BeginDateTextBox") as TextBox).Text = DateTime.Now.ToString("yyyy-MM-dd");
(this.FormView1.FindControl("EndDateTextBox") as TextBox).Text = DateTime.Now.AddDays(7).ToString("yyyy-MM-dd");