protected void btnSaveImg_Click(object sender, EventArgs e)
{
if (imgPreviewCase.ImageUrl != DefaultImagePath && GetExtension() != "")
{
string foldername = "~/Pics/CasePics/" + CaseId.ToString();
bool isExists = System.IO.Directory.Exists(Server.MapPath(foldername));
if (!isExists)
System.IO.Directory.CreateDirectory(Server.MapPath(foldername));
string filename = "";
string fullfilename = "";
objCase_MasterDA = new Case_MasterDA();
int Image_Id = objCase_MasterDA.Insert_Case_Image(CaseId, "");
filename = CaseId.ToString() + "-" + Image_Id.ToString() + GetExtension();
fullfilename = foldername + "/" + filename;
Image_Id = objCase_MasterDA.Update_Case_Image(Image_Id, fullfilename);
imgPreviewCase.ImageUrl = DefaultImagePath;
hfExt.Value = "";
}
else
{
lblError.Text = "Please select image file.";
}
}
change accoriding to your need...