Code

    protected void Page_Load(object sender, EventArgs e)
    {

  if (!IsPostBack)

  {


Diagram dg = this.DiagramView1.Diagram;


TableNode tn = dg.Factory.CreateTableNode(0, 0, 40, 20, 2, 2);


tn.Expandable = true;


tn.Caption = "hello";//Please written in Chinese


tn[0, 0].Text = "Please written in Chinese";//Chinese


tn[1, 0].Text = "Please written in Chinese";//Chinese

  }
    }
    protected void SaveToXml_Click(object sender, EventArgs e)
    {

  this.DiagramView1.Diagram.SaveToXml(Server.MapPath("12.xml"));
    }

 

Code

    <form id="form1" runat="server">
    <div>

  <ndiag:DiagramView ID="DiagramView1" runat="server" Height="461px" Width="602px">


<Diagram Font="MingLiU, 2.9world" />

  </ndiag:DiagramView>

  <asp:Button ID="SaveToXml" runat="server" OnClick="SaveToXml_Click" Text="SaveToXml" /></div>
    </form>