ASP

Copy Code code as follows: Object defining the Image class Drawing.image Image,newimage; Picture path protected string ImagePath; Picture type protected string imagetype; Picture name protected string imagename; Provides a callback

Copy Code code as follows: Using System; Using System.Collections; Using System.Configuration; Using System.Data; Using System.Web; Using System.Web.Security; Using System.Web.UI; Using System.Web.UI.HtmlControls; Using

The first step is to add a generic handler (Handler), this example is ImageHandler Copy Code code as follows: Using System; Using System.Data; Using System.Configuration; Using System.Web; Using System.Web.Security; Using

This article illustrates the method of Asp.net+jquery.form to realize picture asynchronous uploading. Share to everyone for your reference, specific as follows: First of all, we need to do the preparatory work: jquery Click here to download the

1-in ASPX and Aspx.cs, both are session["xxx"]= "AAA" and aaa=session["xxx". ToString () for reading and writing. In Ashx, the session is to use Context.session, read and write method is this: Context. session["xxx"]= "AAA" and Aaa=context.

Copy Code code as follows: It's already on.Lesson, but alsoLesson not on. Write this: The main is easy to browse the page is to display the div, but when printing the page, do not want to display the div. Other labels such as

Because the dropdowelist is different from the button, the CommandName cannot be specified, so there is no way to capture the index of the row in the normal way. Quite a bit of trouble, later found using the NamingContainer attribute to solve the

Copy Code code as follows: Respose.write (""); (Open simple window): Respose.write (' "); 1. Response.Redirect ("xxx.aspx", true)--directly to the new page, the original window is replaced; 2. Response.Write (" ")--the original

The code is as follows: Copy Code code as follows:

Some of the code on the web is basically similar to the principle, there is also a problem, is: The control "Ctl00_center_gridview1" of type "GridView" must be placed inside a form tag that has a runat=server. Note: An unhandled exception occurred

Web.config Copy Code code as follows: Default.aspx Copy Code code as follows: Home Login.aspx Copy Code code as follows:

The best way to change its style based on the value of a column is to think of ways to datarowbound the GridView event. The Datarowbound event is executed immediately after the rows in the GridView are bound to the data. The Datarowbound event uses

To configure the database connection string in Webconfig, the code is as follows: Copy Code code as follows: Then get the connection string inside the Webform_1.aspx.cs to add the following reference; Copy Code

Webform_1.aspx contents are as follows: Copy Code code as follows: User name: Password: Authentication Password: The Webform_2.aspx page is as follows: Copy Code

premises： introduction of MD.dll documents; Download Address: http://www.jb51.net/dll/MD.dll.html 1, the establishment of downexcel.aspx files without CS files Copy Code code as follows: --> 2.

1, the development of the Web site in the process of FCK configuration: 1 2 3 4 2. Modify the FCK configuration when publishing the website: 1 2 www.jb51.net 3 4 3, when the site published to IIS, you need to upload the picture again,

Copy Code code as follows: Compress pictures public string Resizepic () { Start #region Compress a picture bool Isimgfile = true; Determine if a picture file String filepathname = "123"; Path to File Store (folder name) String

Recently related to using ASP.net to do the upload function of a problem, because ASP.net has fileupload upload control, but this control upload file size is limited, so simply can not meet the demandBaidu, a lot of people encounter asp.net upload

Sometimes in order to ensure that the file upload will not overwrite the uploaded files, and because the upload of the target directory may be a lot of files, this time a check is not very good thing, so here can automatically generate a GUID to

Today do a vb.net login instance, the foreground uses the EXT Ajax, the backstage uses the Ashx file to process the login process, and the user stores in the session always appears in this error. [NullReferenceException: Object references are not