To commemorate the optimized code

BLL. ADCLASS_TAB bll = new BLL. ADCLASS_TAB ();
Model. ADCLASS_TAB model = (Model. ADCLASS_TAB) (ViewState ["Info"]);
Model. QJID = int. Parse (Common. Filter. Auth (Request. QueryString ["AreaID"]); // interval ID
Model. QJLX = textAD. Checked = true? 1: 2; // default range text
System. Text. RegularExpressions. Regex reg1 = new System. Text. RegularExpressions. Regex (@ "^ [-]? \ D + [.]? \ D * $ "); // verify the regular expression of the number and import Text
If (model. QJLX = 1) // text
{
If (! Reg1.IsMatch (txtQJCD. Text. Trim ()))
{
Common. Alert. AddScript ("please ensure that the text length in the interval is limited to numbers! "," Num ");
Return;
}
If (txtQJWB. Text. Trim () = string. Empty)
{
Common. Alert. AddScript ("the default text range cannot be blank! "," Require ");
Return;
}
Model. QJCD = int. Parse (Common. Filter. Auth (txtQJCD. Text. Trim (); // Text Length
Model. QJWB = Common. Filter. Auth (txtQJWB. Text. Trim (); // default Text content
}
Else // Image
{
If (model. QJTP = ""&&! TxtQJTP. HasFile) // no image in the past, and no image now
{
Common. Alert. AddScript ("upload an image! "," Pic ");
Return;
}
If (! Reg1.ismatch (txtqjkd. Text. Trim () |! Reg1.ismatch (txtqjgd. Text. Trim () // The image width and height.
{
Common. Alert. addscript ("the image width and height must be numbers! "," Pic ");
Return;
}
Model. qjkd = int. parse (common. Filter. Auth (txtqjkd. Text. Trim (); // The image width.
Model. qjgd = int. parse (common. Filter. Auth (txtqjgd. Text. Trim (); // The Image Height.
String picType = System. IO. Path. GetExtension (txtQJTP. FileName. Trim (); // whether the image type is standard
Int size = txtQJTP. PostedFile. ContentLength/1024; // whether the size is standard
If (txtQJTP. HasFile) // if there is an image
{
If (! Common. Upload. PicType (picType) |! Common. Upload. PicSize (size ))
{
Common. Alert. AddScript ("the format of the last image is incorrect or the image is too large! "," Pic ");
Return;
}
If (model. QJTP! = String. Empty) // indicates that data has been deleted before.
{
Common. FileManager. DelFile (Server. MapPath ("~ /Uploadfile/ad/"), model. QJTP); // Delete
}
Model. QJTP = Common. webEditer. GetFileName () + picType; // image address
TxtQJTP. SaveAs (Server. MapPath ("~ /Uploadfile/ad/"+ model. QJTP); // upload to the corresponding directory
}
}
If (bll. Update (model)> 0) // The Last Update object information.
{
Common. Alert. AlertAndJump ("/Admin/AD/AreaList. aspx", "Update successful! ");
}