The HttpPostedFile oFile;
System. Drawing. The Image originalImage;

The HttpPostedFile file & # 61; System. Web. HttpContext. Current. Request. Files [0].
For (int I & # 61; 0; I & lt; HttpContext. Current. Request. Files. Count; I & # 43; & # 43)
{
Try
{
oFile & # 61; HttpContext. Current. Request. Files [I];

//upload the artwork of

originalImage & # 61; System. Drawing. Image. FromStream (oFile InputStream);

string strext & # 61; Path. GetExtension (oFile. The FileName). ToLower ();

//string strext & # 61; Path. GetExtension (oFile. The FileName). ToLower ();
If (strext! The & # 61; & # 34; .gif & # 34; & & Strext! The & # 61; & # 34; .jpg & # 34; & & Strext! The & # 61; & # 34; The jpeg & # 34; & & Strext! The & # 61; & # 34; . PNG & # 34; & & Strext! The & # 61; & # 34; . Webp & # 34;)
{
Response. Write (& # 34; Wrong format: & # 34; & # 43; Strext);
return;
}
If (oFile ContentLength & gt; 10485760)
{
Response. Write (& # 34; More than 10 m & # xff01; & # 34;);
return;
}