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Asked: 2026-05-15T09:41:40+00:00

i’m using ASP.NET + a MySql Db. I’m trying to configure a ListView so

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i’m using ASP.NET + a MySql Db.
I’m trying to configure a ListView so i’ve written: 

<asp:SqlDataSource ID="dsDatiUtente" runat="server" ConnectionString="Server=12.28.136.29;Database=mydb;Uid=m111d1;Pwd=fake;Pooling=false;"
                ProviderName="MySql.Data.MySqlClient"
                SelectCommand="SELECT * FROM user WHERE idUser=@IdUser"

/>

At the beginning of my aspx page i’ve added

<%@ Import Namespace="MySql.Data.MySqlClient" %>

But if i click to the sqldatasource and click “Refresh Schema” i got this error:

“Unable to retrive schema…. Unable to find the requested .Net Framework data provider”

For instance, i’ve installed it , but i’ve also uninstalled old version, then installed new versions. In my project i simple copy Mysql dll into “bin” folder, then add a reference to that dll.
I’m not sure is the corrected way…

I need to have the “refreshed schema” to permit vs.net to build automatically my listview … if i can’t to “auto build” listview, i have to write all code by hand, and it is a too expensive work me 🙁

What i’m wrong ?

Thank you!

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1 Answer

  1. Editorial Team

    I’ve solved registering mysql component into machine.config.
    It was an installation problem.
    So i’ve write into my machine.config this: 

       <system.data>
    <DbProviderFactories>
        <clear/>
        <add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient"
        description=".Net Framework Data Provider for MySQL"
        type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data, 
         Version=6.2.3.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d " /> <!-- 13b67ce9e090fefa per la versione 6.3.1-->
    </DbProviderFactories>
</system.data>
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