11 Reusable Code Snippet Topics

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Member Avatar for deceptikon

I'm sure I've mentioned this type of wrapper class for accessing databases in a provider-agnostic manner before, but never posted a functional implementation. So here it is. Questions, comments, and suggestions are welcome as always. :)

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Member Avatar for Suzie999

Earlier I posted a snippet which showed [how to create a 2 dimensional string array from an SQLite database table](https://www.daniweb.com/software-development/csharp/code/494083/sqlite-database-table-to-2-dimensional-string-array-). This snippet is the reverse, if you will, where we create an SQLite database table from a 2d string array. It should be noted that this code has it's limitations, …

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Member Avatar for Isaac_4

Here is a simple way to insert into a database that isn't much harder than using string concatenation - which we all know is very dangerous due to SQL injection attacks. Put the code snippet into `database.php`. Now, in a script handling a form post, such as `post_reply.php`: <?php require_once("database.php"); …

Member Avatar for diafol
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Member Avatar for Reverend Jim

If your Excel spreadsheet is laid out as regular columns and rows with a header row that identifies the columns then this code will allow you to read the data using ADODB the same way you would read records from a database table. To try this code 1. Create a …

Member Avatar for Reverend Jim
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Member Avatar for Reverend Jim

Several people have asked about storing binary data in a database. I coded up an example today that uses an ADODB.Stream to copy the binary data but after some fiddling I found a more direct way. If you are using MS SQL Server, the easiest way I have found is …

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Member Avatar for jhai_salvador

Hi! This is my submission for code snippet contest. I also posted this code to help other members on how they can use compact & repair their MS Access Database within Visual Basic 6.0. You also need to add Microsoft Jet and Replication 2.6 in your project reference. To use, …

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Member Avatar for mb01a

I found an old thread that had never been answered here - [url]http://www.daniweb.com/software-development/vbnet/threads/330981[/url] Basically, the guy was asking how to retrieve database names and/or table names from a MySql database with vb.net. Here's my answer to that. Yes, I still use vb6 because vb.net is not much better and I …

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Member Avatar for Mitja Bonca

Code shows how to bind the data from a database`s table to dataTable and populate dataGridView with it. And then how to pass the modified (or not) data from dataGridView back to dataBase`s table.

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Member Avatar for TrustyTony

The code from my answer to thread: [url]http://www.daniweb.com/forums/thread292949.html[/url] Any field names with any same separator separating the values. This is straight text file reading routine, see the original thread for csv module based code. sample.dat: [CODE]id; name; email; homeaddress 123; gishi; gishi@mymail.com; 456 happy st. 345; tony; tony.veijalainen@somewhere.com; Espoo Finland …

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Member Avatar for sandorlev

Hello, I've been working on this self-made database. What do you think about it? What features should I create for it? I'd also like to get help in a select method, because I don't have the foggiest idea how it could be done. And what about making it a database …

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