protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
try
{
if (HFId.Value == "")
{
CarSYSModels.Car c = cm.GetSelectById(1);
lblCarName.Text = c.CarName;
lblBrandName.Text = c.CarBrand.BrandName;
lblClick.Text = c.Click.ToString();
lblPrice.Text = c.OfficilPrice.ToString();
imaCar.ImageUrl = "~/Images/" + c.Picture;
}
else
{
CarSYSModels.Car c = cm.GetSelectById(Convert.ToInt32(HFId.Value));
lblCarName.Text = c.CarName;
lblBrandName.Text = c.CarBrand.BrandName;
lblClick.Text = c.Click.ToString();
lblPrice.Text = c.OfficilPrice.ToString();
imaCar.ImageUrl = "~/Images/" + c.Picture;
}
}
catch (Exception ex)
{
lblCarName.Text = ex.Message;
}
}
}
//更新
protected void dtCars_ItemUpdating(object sender, DetailsViewUpdateEventArgs e)
{
FileUpload fuPic = (FileUpload)dtCars.FindControl("fuPic");
HiddenField hfPic = (HiddenField)dtCars.FindControl("hfPic");
TextBox txtCarName = (TextBox)dtCars.FindControl("txtCarName");
DropDownList ddlBrand = (DropDownList)dtCars.FindControl("ddlBrand");
TextBox txtPrice = (TextBox)dtCars.FindControl("txtPrice");
if (fuPic.FileName != "")
{
bool isPic = false;
string fileExtentsion = System.IO.Path.GetExtension(fuPic.FileName);
string[] extes = { ".jpg", ".png", ".gif", ".bmp", ".jpeg" };
foreach (string each in extes)
{
if (fileExtentsion == each)
{
isPic = true;
break;
}
}
if (isPic)
{
string path = Server.MapPath("~/Images/Car/");
if (!System.IO.File.Exists(path + fuPic.FileName))
{
fuPic.PostedFile.SaveAs(path + fuPic.FileName);
hfPic.Value = fuPic.FileName;
}
else
{
ClientScript.RegisterStartupScript(this.GetType(), "", "alert('更新失败，实物图已存在')", true);
return;
}
}
else
{
ClientScript.RegisterStartupScript(this.GetType(), "", "alert('更新失败，只能上传jpg、png、gif、bmp、jpeg格式的图片')", true);
return;
}
}
try
{
CarSYSModels.Car c = new CarSYSModels.Car();
c.CarBrand = new Brand();
c.CarBrand.BrandId = Convert.ToInt32(ddlBrand.SelectedValue);
c.CarBrand.BrandName = ddlBrand.SelectedItem.Text;
c.CarId = Convert.ToInt32(dtCars.DataKey.Value);
c.CarName = txtCarName.Text;
c.Picture = hfPic.Value;
c.OffcialPrice = Convert.ToDecimal(txtPrice.Text);
cm.UpdataCarById(c);
}
catch (Exception ex)
{
ClientScript.RegisterStartupScript(this.GetType(), "", "alert('" + ex.Message + "')", true);
}
dtCars.ChangeMode(DetailsViewMode.ReadOnly);//更新后切换状态
bindCar(Convert.ToInt32(dtCars.DataKey.Value));
}
protected void btnSave_Click(object sender, EventArgs e)
{
if (fuPic.FileName != "")
{
bool isPic = false;
string pathExtName = System.IO.Path.GetExtension(fuPic.FileName);
string[] extes = { ".jpg", ".svp", ".png" };
foreach (string exte in extes)
{
if (exte == pathExtName)
{
isPic = true;
break;
}
}
if (isPic)
{
string path = Server.MapPath("~/Images/");
if (!System.IO.File.Exists(path + fuPic.FileName))
{
fuPic.PostedFile.SaveAs(path + fuPic.FileName);
}
else
{
lblInfo.Text = "增加失败，实物图已存在";
return;
}
}
else
{
lblInfo.Text = "增加失败，只能上传.jpg、.svp、.png格式的图片，请重新选择图片";
return;
}
}
try
{
CarSYSModels.Car c = new CarSYSModels.Car();
c.CarName = txtName.Text.Trim();
c.CarBrand = new CarSYSModels.Brand();
c.CarBrand.BrandId = Convert.ToInt32(ddlBrand.SelectedValue);
c.CarBrand.BrandName = ddlBrand.SelectedItem.Text;
c.Picture = fuPic.FileName;
c.OffcialPrice = Convert.ToDecimal(txtPrice.Text.Trim());
c.Click = 1;
cm.AddCar3(c);
lblInfo.Text = "增加成功，新增的车辆编号是：" + c.CarId;
ClientScript.RegisterStartupScript(this.GetType(), "CleanFrom", "", true);
}
catch (Exception ex)
{
lblInfo.Text = "增加失败，出现异常，异常信息：" + ex.Message;
}
}
