c Simple addition, deletion, and modification of data

I really didn't understand what you said.

Do you mean a form that dynamically generates controls (you only see a blank form in VS Designer and only see the controls after you run it)?

The easiest way to do this is to copy all of the ** in InitializeComponent() into the constructor of the form.

There are two ways, one is to combine the DateGrid control with the sqlDatesourse control, and the other is to combine the database. The former is convenient and flexible in the back. The latter one needs to write a connection string, then write a few parameters to associate with your database, and then get the information of the current page and assign values to you these parameters and then pass them to the database.

Let's take it one step at a time, don't be too ambitious, friend.

I won't refer to some namespaces......

sqlcon = "server=server, database=databasename, uid=user, pwd=password";

sqlstr1 = "insert ……";

sqlstr2 = "update ……"；

sqlstr3 = "delete ……"；

sqlconnection con = new sqlconnection(sqlcon);

sqlcommand com = new (sqlstr
,con);;

That's it......

To be clear, what is the database? There are still big differences between different databases.

So what database do you use?

sqlserver, access, or orcal?

//1.Declare the database connection string.

string strcon = "data source=.;initial catalog=itdb;uid=sa;pwd=sun@0918";

2.Create a database connection object.

sqlconnection con = new sqlconnection(strcon);

3.Open a database connection.

/4.Write SQL statements.

string sql = "delete from phzw where name='" + id+"'";

sqlcommand cmd = new sqlcommand(sql, con);

6.Select the appropriate method for command.

int res = ;

if (res > 0)

else/7.Close the database connection.

This is the primary ** that is deleted, new and modified, just modify the sql statement.

The landlord should not mislead the masses.

VS2008 doesn't have this widget in it. From the name alone, it's not a VS control, but a third-party control.

This control is included in the NetAdvantage control suite.

Landlord, you see UltraGrid in the toolbar on VS2008 because you have NetAdvantage installed

There are some of them though not concrete. Let's take a look

May help.

This isn't a vs built-in control, right? You can use the gridview control.

For example, a simple human information sheet.

Added: insert into table1(name,age)values('Name',20)

Delete: delete from table1 where name=""

Modified: update table1 set field1=value where

Boy! Do you dare to make it clear? How do you answer this! ~~

Add to; on error resume next= not

not not

notif = "Add to; " then

OK"else

Add to; "end if

Delete on error resume nextif then

Add it and insert it.,Update it in the background and do it yourself.,If you delete a line.,Remember the line number.,That's it.,When the time comes, go to the database to delete.,After deleting, re-bind gatagridview.。

It's all done.,There's an event for adding and deleting.,You can get the id of the line you want to move.,It's easy to refresh the gridview.。