Question

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How can WCF consuming data from database phpmyadmin?

I want to ask about the connection string that should i write at WCF. My database is host at phpmyadmin.
How should I write the connections string? if the database is using microsoft access or sqlserver that run at my computer, I done it already. Now, I’m curious if my database at phpmyadmin.

Honestly, I already asked this question in this forum yesterday. I say a big thanks to whom answer my question but I dont think that is a answer. I’m sorry for being stupid and don’t understand what you said yesterday. If you get mad, you don’t need to answer. thanks.

Out of the topic, this my WCF code.

public class Jobs : IJobs
{
    SqlConnection conn = new SqlConnection("Data Source=127.0.0.1; Initial Catalog=mydatabase;User=ael;Password=123456;Integrated Security=False");
    
    SqlDataAdapter da;
    DataSet ds;
    Data data = new Data();
    List<Data> listdata = new List<Data>();

    public DataSet Details()
    {
        conn.Open();
        ds = new DataSet();
        da = new SqlDataAdapter("Select * from data", conn);
        da.Fill(ds);
        conn.Close();
        return ds;
    }

    public Data GetDetails(int jobid)
    {
        conn.Open();
        ds = new DataSet();
        da = new SqlDataAdapter("Select * from data where id = " + jobid, conn);
        da.Fill(ds);
        if (ds.Tables[0].Rows.Count > 0)
        {
            data.userid = Convert.ToInt32(ds.Tables[0].Rows[0][0]);
            data.firstname = ds.Tables[0].Rows[0][1].ToString();
            data.lastname = ds.Tables[0].Rows[0][2].ToString();
            data.location = ds.Tables[0].Rows[0][3].ToString();
            ds.Dispose();
        }
        conn.Close();
        return data;
    }

    public List<Data> GetAllDetails()
    {
        conn.Open();
        ds = new DataSet();
        da = new SqlDataAdapter("Select * from data", conn);
        da.Fill(ds);
        foreach (DataRow dr in ds.Tables[0].Rows)
        {
            listdata.Add(
                new Data
                {
                    userid = Convert.ToInt32(dr[0]),
                    firstname = dr[1].ToString(),
                    lastname = dr[2].ToString(),
                    location = dr[3].ToString()
                }
            );
        }
        conn.Close();
        return listdata;
    }
}

this is the wpf

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void button1_Click(object sender, RoutedEventArgs e)
    {
        if (textbox1.Text.Trim().Length != 0)
        {
            ServiceReference1.JobsClient jc = new ServiceReference1.JobsClient();
            var x = jc.GetDetails(Convert.ToInt32(textbox1.Text));
            if (x.userid != 0)
            {
                textbox2.Text = x.userid.ToString();
                textbox3.Text = x.firstname;
                textbox4.Text = x.lastname;
                textbox5.Text = x.location;
            }
            else
                MessageBox.Show("RecordNotFound ... !", "Message", MessageBoxButton.OK, MessageBoxImage.Information);
        }
        else
            MessageBox.Show("EnterID", "Message", MessageBoxButton.OK, MessageBoxImage.Warning);
    }

    private void button2_Click(object sender, RoutedEventArgs e)
    {
        ServiceReference1.JobsClient jc = new ServiceReference1.JobsClient();
        dataGrid1.ItemsSource = jc.Details().Tables[0].DefaultView;
    }

    private void button3_Click(object sender, RoutedEventArgs e)
    {
        ServiceReference1.JobsClient jc = new ServiceReference1.JobsClient();
        dataGrid1.ItemsSource = jc.GetAllDetails() ;
    }
    
}

I already create a user at phpmyadmin, and use it at my WCF. but whenever I run, its show "login failed for user ael".
Is there something I need to change in the connection string?
thanks before.

Answer 1

If I understand correctly you need an example for the connection string.
So for the connection string format please see ConnectionsStrings.com

For example, if you are using the standard port and did not change it:

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;

Then you can to use the MySQL Connector (Namespace MySql.Data.MySqlClient downloadable here) and connect to the MySQL database programatically as explained in detail in this tutorial: Connection to the MySQL Server.