protected void btnUpload_Click(object sender, EventArgs e)
{
HttpPostedFile postedFile = PicUpload.PostedFile;
string imgName = PicUpload.FileName;
string imgPath = "Images/" + imgName;
int imgSize = PicUpload.PostedFile.ContentLength;
string fileExtension = Path.GetExtension(imgName);
if (fileExtension.ToLower() == ".jpg" || fileExtension.ToLower() == ".gif" ||
fileExtension.ToLower() == ".png" || fileExtension.ToLower() == ".bmp")
{
PicUpload.SaveAs(Server.MapPath("../../../" + imgPath));
Session["Sketch"] = imgPath;
p = Session["Sketch"].ToString();
}
else
{
lblMsg.Visible = true;
lblMsg.ForeColor = System.Drawing.Color.Red;
lblMsg.Text = "Only images (.jpg, .png, .gif and .bmp) can be uploaded";
}
}
public String ImgUpload()
{
string filename = "";
String path = "";
String completepath = "";
try
{
if (PicUpload.HasFile && (PicUpload.PostedFile.ContentType == "image/jpeg" || PicUpload.PostedFile.ContentType == "image/png" || PicUpload.PostedFile.ContentType == "image/gif"))
{
//pic is present and is of correct format
filename = PicUpload.FileName;
path = Server.MapPath("~/images/userprofilepic/");
String path_without_extension;
if (PicUpload.PostedFile.ContentType == "image/jpeg")
{
filename = "pp_" + Session["user_id"].ToString() + ".jpg";
}
else if (PicUpload.PostedFile.ContentType == "image/png")
{
filename = "pp_" + Session["user_id"].ToString() + ".png";
}
else if (PicUpload.PostedFile.ContentType == "image/gif")
{
filename = "pp_" + Session["user_id"].ToString() + ".gif";
}
completepath = path + filename;
path_without_extension = path + "pp_" + Session["user_id"].ToString();
if (File.Exists(path_without_extension + ".jpg") || File.Exists(path_without_extension + ".png") || File.Exists(path_without_extension + ".gif"))
{
//deleteing the previous existing file , jpg or png or gif
if (File.Exists(path_without_extension + ".jpg"))
{
File.Delete(path_without_extension + ".jpg");
}
if (File.Exists(path_without_extension + ".png"))
{
File.Delete(path_without_extension + ".png");
}
if (File.Exists(path_without_extension + ".gif"))
{
File.Delete(path_without_extension + ".gif");
}
}
PicUpload.SaveAs(completepath);
return(filename);
}
else
{
return(null);
}
}
catch
{
return(null);
}
}