protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ddlPhoto.DataSource = imagemanage.GetAllPhoto("tb_Image").Tables[0].DefaultView;
ddlPhoto.DataTextField = "编号";
ddlPhoto.DataBind();
imagemanage.PhotoID = ddlPhoto.SelectedValue;
imgPhoto.ImageUrl = imagemanage.FindPhotoByID(imagemanage, "tb_Image").Tables[0].Rows[0][1].ToString();
}
}