C#

I have created Campaign in Mailchimp account and now I want to 
send Email to Campaign members Programatically in C#. Actually i am 
new to this concept and want to send newsletter to users who have 
subscribed to campaign. Please guide me for implement this.

What are basic steps for create and send newsletter on Mailchimp 
account and way to access it from C# with required methods.

public void filtrar_Click(object sender, EventArgs e)
        {
            DataView dv = new DataView(ds);
           
          
            //define a ordenação e o filtro
            dv.AllowNew = false;
            dv.AllowDelete = true;            
            dv.RowFilter = "NIF Like '" + textBoxNIF.Text + "*'";
            //exibe o resultado
            grid_lic.DataSource = dv;
        }

        public void Consulta()
        {
            //MessageBox.Show(grid_lic.CurrentRow.Cells[3].Value.ToString());
            con = new OdbcConnection("driver= {MySQL ODBC 5.1 Driver};server=192.168.19.78; database=licenciamento; uid=estagio; password=1234; option = 3 ");
            con.Open();

            OdbcCommand Command = con.CreateCommand();
            Command.CommandText = "select lojas.Id, lojas.NIF, lojas.Loja, lojas.Bloquear, lojas.DataFim, lojas.lastupdate, lojas.Nome, " +
            " licenciamentoloja.EArtigo, licenciamentoloja.EFamilia, licenciamentoloja.EClientes, licenciamentoloja.EFornecedores, licenciamentoloja.Evendas," +
            "licenciamentoloja.ECompras, licenciamentoloja.EStocks, licenciamentoloja.ELiquidacao, licenciamentoloja.ECaixas, licenciamentoloja.EInfoStock," +
            "licenciamentoloja.ZSArtigos, licenciamentoloja.ZSClientes, licenciamentoloja.ZSStocks, licenciamentoloja.id from lojas inner join licenciamentoloja on lojas.NIF = licenciamentoloja.NIF and lojas.Loja = licenciamentoloja.loja";

            Command.CommandType = CommandType.Text;
            Command.Connection = con;

            OdbcDataAdapter adapter = new OdbcDataAdapter();
            adapter.SelectCommand = Command;

            DataSet ds = new DataSet();
            adapter.Fill(ds);
            grid_lic.DataSource = ds;
            grid_lic.DataMember = ds.Tables[0].TableName;

public MainPage()
            {
                this.InitializeComponent();
                LoadData();
                //Setting the HTML content in the WebView control.
                MapWebView.NavigateToString(GeneratedHTML);
            }
private async void LoadData()
        {
            try
            {
                await loadJsonLocalnew("default.html", "");
            }
            catch (Exception ex)
            {

                throw;
            }
        }
public async static Task loadJsonLocalnew(string url, object ClassName)
        {
            try
            {
                //*******************************************************
                //To pick up file from local folder in window store app
                //*******************************************************
                var folder = await StorageFolder.GetFolderFromPathAsync(Windows.ApplicationModel.Package.Current.InstalledLocation.Path + @"\");
                StorageFile file = await folder.GetFileAsync(url);
                Stream stream = await file.OpenStreamForReadAsync();
                StreamReader reader = new StreamReader(stream);
                String html = reader.ReadToEnd();
                GeneratedHTML = html.ToString();//the vraible html has an error so it pass to the catch bloc

            }
            catch (Exception ex)
            {
            }}

<Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <WebView x:Name="MapWebView" Width="Auto" Height="700"/>
    </Grid>

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