我有一个项目,页面上有一个分辨率为 400*300 的图像。当我将图像悬停时,我有<a>
并且它以全屏形式打开。
现在,当我上传图像时,我将其保存到数据库列ITM_PATH
。还有另一列ITM_LARGE
。现在我想这样做,如果我上传图像,简单图像将存储在ITM_PATH
相同的图像中,但列中的分辨率为 2400*1594 ITM_LARGE
。我已经搜索过这个,但我没有解决方案。
上传图片代码:
protected void btnSubmit_Click(object sender, EventArgs e)
{
HttpFileCollection fileCollection = Request.Files;
string fileName="";
string largeFile = "";
for (int i = 0; i < fileCollection.Count; i++)
{
HttpPostedFile uploadfile = fileCollection[i];
fileName = Path.GetFileName(uploadfile.FileName);
if (uploadfile.ContentLength > 0)
{
uploadfile.SaveAs(Server.MapPath("~/Photo-Upload/") + fileName);
lblMessage.Text += fileName + "Saved Successfully<br>";
fileName = "Photo-Upload/" + fileName;
}
}
using (Bitmap bitmap = (Bitmap)System.Drawing.Image.FromFile(fileName))
{
using (Bitmap newbitmap = new Bitmap(bitmap))
{
newbitmap.SetResolution(2400, 1594);
newbitmap.Save(fileName + "Large", ImageFormat.Jpeg);
largeFile = newbitmap.ToString(); ;
}
}
int _Itm_Id = GetMaxNo();
if (_Itm_Id > 0)
{
ConnectDataBase();
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "SP_GENERAL";
cmd.Parameters.AddWithValue("@SP_STATUS", "INSERT_ITM");
cmd.Parameters.AddWithValue("@ITM_ID", _Itm_Id);
cmd.Parameters.AddWithValue("@ITM_CAT_ID", ddlCategory.SelectedValue);
cmd.Parameters.AddWithValue("@ITM_NAME", txtItemName.Text);
cmd.Parameters.AddWithValue("@ITM_PATH", fileName);
cmd.Parameters.AddWithValue("@ITM_LARGE", largeFile);
//cmd.Parameters.AddWithValue("@ITM_PRICE", Convert.ToDecimal(txtPrice.Text));
int retval = cmd.ExecuteNonQuery();
if (retval > 0)
lblMessage.Text = "Record Successfully Inserted!!!";
else
lblMessage.Text = "Server Error!!! Please Try Again...";
ClearAll();
}
}
我通过从数据库列中获取其 url 来检索中继器中的图像。
编辑
我搜索了相同的内容,并找到bitmap
了解决方案,所以我添加了该代码,但file not found
异常即将到来。任何其他想法或编辑?
异常出现在第一行bitmap