1. Use jquery to call the function in aspx:
sajax("***.aspx/DoSave", //A URL address, pointing to the ASPX where the function is located
null,//Parameters, the parameters required by the pointed ASPX function
showSaveResult);/ /jS script executed after successful execution
2. Function sajax
function sajax(url, data, successcallback)
{
$.ajax({ : data,
async: false,
contentType: "application/json;charset=utf-8",
dataType: "json",
success: successcallback,
ode: {
404: function () { alert('page not found'); },
500: function () { alert('Internal server error'); > };
3. Background function:
cs code
Copy code
4. How to assign value to Session["image"]
After selecting the photo, when you click OK to upload, convert the image into binary and assign it to Session["image"]
5. The method of uploading photos will not be written here, please check other articles
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn