sending html form data to email address

How does HTML make an expression submit, point back/return, and retain the form data? If page A is a form, you can return the form a (unchanged) of the data that was filled in B when the submission goes to error page B for some r

Label:Operating Environment tomcat5.5+mysql5.0Write a simple HTML form:School Number: Name: Male Women Tel: Connection conn = null;Class.forName ("Com.mysql.jdbc.Driver"). newinstance ();conn = Java.sql.DriverManager.getConnection ("Jdbc:mysql://localhost/mydb", "Root", "Corsair");if (conn==null){ System.out.println ("Getconnerror"); } Statementstmt=conn.createstatement (); resultsetrs=null; %> stringid,name,sex,tel; id=request.getparameter ("id"

Control whether data is submitted by using the Onsibmit of the formThe return values are true commits, others are unchanged, examples are as follows:JS sectionfunction Check () {varNewpwd = document.getElementById ("newpwd"); varConfirmnewpwd = document.getElementById ("confirmnewpwd"); if(Newpwd.value = =confirmnewpwd.value)return true; Else { varErr = document.getElementById ("errmsg"); Err.style.display=""; return false; }

1.HTML page"Form1" runat="server">"divusers" runat="server">2. Add a Namespaceusing System.Configuration; using System.Data.SqlClient; using System.Data; using System.Text;3. Load the form in the Page_Load eventprotected voidPage_Load (Objectsender, EventArgs e) { if(!IsPostBack) { stringconstring = configurationmanager.connectionstrings["demosdatabaseconnectionstring"].

Django version 1.4.5For the Charfield inside the models.Here's how to writeIn models.py, add parameters to Charfield1 fromDjango.dbImportModels2 fromDjango.formsImportModelform3 4Title_choices = ( 5 (' Mr ', ' Mr. '),6 (' Mrs ', ' Mrs. '),7 (' Ms ', ' Ms. '),8 )9 classAuthor (models. Model):TenName = models. Charfield (max_length=100) Onetitle = models. Charfield (max_length=3, choices=title_choices) A - def __unicode__(self): - returnSelf.name the - classAuthorform (modelfo

First download the Jxl-2.6.12.jar or add it in MavenThe background code is as follows:writableworkbookwwb=null;wwb=workbook.createworkbook (NewFile (" C:\\1.xls "));//Create Excel file writablesheetws=wwb.createsheet (" Sheet1 ", NBSP;0);//Create a writable worksheet ws.setcolumnview (11,30);//Set the width of the column ws.setcolumnview (0,25); ws.setcolumnview (6,20); ws.setcolumnview (9,20); //Set Header ws.addcell (Newlabel (0,0, "product picture")); ws.addcell (Newlabel (1, 0, "Product nam