关键代码如下:
public static string Upload2(FileUpload myFileUpload, string savePath, int towidthx, int toheightx)
{
if (myFileUpload.HasFile)//检查是否有文件案
{
//继续执行
}
else
{
throw new Exception("请选择要上传的图片!");
}
========================
throw new Exception("请选择要上传的图片!");
//这句如何改成弹出窗口方式提示?
public static string Upload2(FileUpload myFileUpload, string savePath, int towidthx, int toheightx)
{
if (myFileUpload.HasFile)//检查是否有文件案
{
//继续执行
}
else
{
throw new Exception("请选择要上传的图片!");
}
========================
throw new Exception("请选择要上传的图片!");
//这句如何改成弹出窗口方式提示?
try
{
...
Upload2(...)
...
}
catch (Exception ex)
{
Response.RedirectTo("showerror.aspx?msg=" + ex.Message);
}