Member Avatar for anetta

Hello
How to place a MYSQL database in my ASP.NET site?
In what format I produces the file for my APP_DATA database folder to place it.
How to build CONNECTION STRING to database located in APP_DATA
I created a site communicates with a LOCALHOST database
Now I want to import it into my website folder APP_DATA
Please help.

Edited by anetta because: n/a
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Dani AI

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Short answer: you can't just drop MySQL table/files into App_Data the way you can with an MDF. App_Data is intended for file-based stores (MDF, MDB, XML) managed by ASP.NET, while MySQL is a server process that owns its data directory — the MySQL server must be running on the machine that hosts the database. (learn.microsoft.com)

Practical migration steps (local → hosting)

  1. Export your local DB to a SQL dump (mysqldump) or use MySQL Workbench/phpMyAdmin to export a single .sql file. Example with mysqldump:

    mysqldump -u root -p mydatabase > mydatabase.sql

  2. Upload the .sql to the server (FTP or upload directory) and import it into the host’s MySQL instance. For shared hosting you’ll typically import with phpMyAdmin (Import tab); for larger dumps use SSH and the mysql client. Example import via CLI:

    mysql -u dbuser -p mydatabase < mydatabase.sql

See mysqldump and phpMyAdmin docs for options and size/timeout caveats. (dev.mysql.com)

Connect your ASP.NET site

  • Add the MySQL ADO.NET provider (MySQL Connector/NET) to the project (place MySql.Data.dll in Bin or use NuGet).
  • Put a MySQL connection string in web.config and reference providerName "MySql.Data.MySqlClient". Example (replace host/user/password/database):
<add name="MySqlConn" connectionString="Server=yourhost;Port=3306;Database=yourdb;Uid=youruser;Pwd=yourpass;" providerName="MySql.Data.MySqlClient" />

Follow Connector/NET docs for connection options and examples. (dev.mysql.com)

Other tips

  • If your host already provides MySQL, create the database and a limited user first, then import there.
  • If you need a single-file DB inside App_Data, consider SQLite instead — MySQL doesn’t work that way by simply copying files.
  • Don’t check plain credentials into source control; use transforms or secret storage for production.

Also: — this approach is the normal workflow. ’s MDF method applies to SQL Server App_Data scenarios, not to MySQL.

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Member Avatar for sundarchum

Hello
How to place a MYSQL database in my ASP.NET site?
In what format I produces the file for my APP_DATA database folder to place it.
How to build CONNECTION STRING to database located in APP_DATA
I created a site communicates with a LOCALHOST database
Now I want to import it into my website folder APP_DATA
Please help.

Hi Anetta,

I tried out with MS SQL Server. Hope you can try to create an MDF file and import the file to mysql using sqlyog tool and create equivalent file related to mdf in sql server. Copy and paste the mdf file to the App_Data folder of the solution path. Now go to App_Data in your solution and right click on that and select Add->Existing Items->Add the pasted mdf file to it. Now you can give the connection string in your web.config to connect and fetch data from the mdf file.

<add name="NameToReferInCodeFromConfig" connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\FileName.mdf;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient" />

Note: you need to update the mdf file when ever you have new data into the original DB.

Another way is by Adding New Item on right clicking the App_Data folder in the solution and add new .mdf file and need to create DB with new tables and all others... It seems to be vague..

Member Avatar for anetta

My goal is to work with MYSQL databases , not MS SQL .
They have different providers, as that, say to MS SQL and MS ACCESS - MDF and MDB database files, correspondently.
So MYSQL data file must be with an appropriate extension, maybe FRM.
Thanks again.

Edited by anetta because: n/a
Member Avatar for anetta

Solved.
I find the answer hear:

by ronverdonk
"
Basically, in order to upload a database to the server, you also must have a MySQL installed at that server. How would you otherwise import the uploaded data?

Uploading itself can be done very quickly, provided you have MySQL installed at your server. At your PC you can export (phpMyAdmin is the easiest way) each database to an SQL format file. Upload that SQL file and import it into the server's MySQL."

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