title: associate button with enter key
body: <p>i got a WinForm Project in C# 4.0.</p>
  
  <p>i want to when the user click the button enter then it call onclick event of this button.</p>
  
  <p>my code:</p>
  
  <pre><code> public XtraForm_Main()
          {
              InitializeComponent();
  
  ...
  this.AcceptButton = (Button)this.Controls["button_Valider"];
          }
  
   private void Main_Load(object sender, EventArgs e)
          {
              this.AcceptButton = (Button)this.Controls["button_Valider"];
          }
  
    private void button_Valider_Click(object sender, EventArgs e)
          {
              try
              {
                  using (var connectionWrapper = new Connexion())
                  {
                      var connectedConnection = connectionWrapper.GetConnected();
                      string SqlSyntax = "SELECT * FROM ORDRE WHERE REF_EXPED = @REFERENCE";
                      SqlCommand comm_InsUpt = new SqlCommand(SqlSyntax, connectionWrapper.conn);
                      comm_InsUpt.Parameters.AddWithValue("@REFERENCE", textEdit_ref.Text);
                      SqlDataAdapter adapt_SelectAll = new SqlDataAdapter();
                      adapt_SelectAll.SelectCommand = comm_InsUpt;
                      DataSet dSet_SelectAll = new DataSet();
                      adapt_SelectAll.Fill(dSet_SelectAll, "BON_ETIKET");
  
                      var xtraReport_Pricipal = new Zebra_Web();
  
                      xtraReport_Pricipal.Parameters["Count_Ordre"].Value = 1;
                      xtraReport_Pricipal.Parameters["IdPacket"].Value = 1;
                      xtraReport_Pricipal.DataSource = dSet_SelectAll;
                      xtraReport_Pricipal.DataMember = dSet_SelectAll.Tables[0].TableName;
                      xtraReport_Pricipal.CreateDocument();
  
                      xtraReport_Pricipal.PrintingSystem.ShowMarginsWarning = false;
                      xtraReport_Pricipal.PrintingSystem.ContinuousPageNumbering = true;
                      //xtraReport_Pricipal.ShowPreviewDialog();
                      xtraReport_Pricipal.Print(Properties.Settings.Default.Zebra);
  
                      dSet_SelectAll.Dispose();
                      adapt_SelectAll.Dispose();
                  }
              }
              catch (Exception excThrown)
              {
                  throw new Exception(excThrown.Message, excThrown);
              }
          }
  </code></pre>
  
  <p>i have tried to put this line:</p>
  
  <pre><code>this.AcceptButton = (Button)this.Controls["button_Valider"];
  </code></pre>
  
  <p>in constructor and onLoad From event but still not work.
  when the user click the button it nothing happen. i have to clic it with the mouse.</p>