如何用图表制作网页特定区域的打印?-Howtomakeprintofwebpageparticularareacontainswithcharts?

3  

If you are using Microsoft Chart Controls you can try following code for printing :

如果你使用的是微软的图表控件，你可以试试下面的代码:

public void PrintWebControl(Control ctrl, string Script)    
{
    StringWriter stringWrite = new StringWriter(); 
    System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);

    if (ctrl is WebControl)    
    {
      Unit w = new Unit(100, UnitType.Percentage);
      ((WebControl)ctrl).Width = w;
    }

    Page pg = new Page();
    pg.EnableEventValidation =false;

    if (Script != string.Empty)    
    {
      pg.ClientScript.RegisterStartupScript(pg.GetType(), "PrintJavascript", Script);
    }

    HtmlForm frm = new HtmlForm();

    pg.Controls.Add(frm);

    frm.Attributes.Add("runat", "server");

    frm.Controls.Add(ctrl);

    pg.DesignerInitialize();

    pg.RenderControl(htmlWrite);

    string strHTML = stringWrite.ToString();

    HttpContext.Current.Response.Clear();

    HttpContext.Current.Response.Write(strHTML);

    HttpContext.Current.Response.Write("");

    HttpContext.Current.Response.End();

}

Calling :

调用:

PrintWebControl(Panel1);

gets you the print of the required chart.

获取所需图表的打印。