| public RenderControl ( System.Web.UI.HtmlTextWriter writer ) : void | ||
| writer | System.Web.UI.HtmlTextWriter | |
| return | void | |
private static void ExportControl(Control control, JsonWriter writer)
{
StringWriter innerWriter = new StringWriter();
HtmlTextWriter htmlWriter = GetHtmlWriter(innerWriter);
control.RenderControl(htmlWriter);
writer.WriteString(innerWriter.ToString());
}
private static void FormatControl(Control control, JsonWriter writer)
{
StringWriter stringWriter = new StringWriter();
HtmlTextWriter htmlWriter = GetHtmlWriter(stringWriter);
control.RenderControl(htmlWriter);
writer.WriteString(stringWriter.ToString());
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
if (Visible)
{
var assets = AspNetAssets.EnsureCurrentAssets();
if (!string.IsNullOrEmpty(Src))
{
RegisterLink(assets, Src);
}
var inlineTemplate = GetInlineTemplate();
if (inlineTemplate != null)
{
using (var textWriter = new StringWriter())
{
using (var htmlTextWriter = new HtmlTextWriter(textWriter))
{
var control = new Control();
inlineTemplate.InstantiateIn(control);
control.RenderControl(htmlTextWriter);
}
var inline = textWriter.ToString();
if (!string.IsNullOrEmpty(inline.Trim()))
{
RegisterInline(assets, inline);
}
}
}
}
}
/// <summary>
/// 将Web控件导出
/// </summary>
/// <param name="source">控件实例</param>
/// <param name="type">类型:Excel或Word</param>
public static void ExpertControl(Control source, string filename, DocumentType type)
{
//设置Http的头信息,编码格式
if (type == DocumentType.Excel)
{
//Excel
HttpContext.Current.Response.AppendHeader("Content-Disposition",
"attachment;filename=" + filename + ".xls");
HttpContext.Current.Response.ContentType = "application/ms-excel";
}
else if (type == DocumentType.Word)
{
//Word
HttpContext.Current.Response.AppendHeader("Content-Disposition",
"attachment;filename=" + filename + ".doc");
HttpContext.Current.Response.ContentType = "application/ms-word";
}
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.ContentEncoding = Encoding.UTF8;
//关闭控件的视图状态
source.Page.EnableViewState = false;
//初始化HtmlWriter
var writer = new StringWriter();
var htmlWriter = new HtmlTextWriter(writer);
source.RenderControl(htmlWriter);
//输出
HttpContext.Current.Response.Write(writer.ToString());
HttpContext.Current.Response.End();
}
public string GetControlsHTML(Control c)
{
System.IO.StringWriter sw = new System.IO.StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
c.RenderControl(hw);
return sw.ToString();
}
public static string ControlString(Control control)
{
StringWriter sw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(sw);
control.RenderControl(htw);
return sw.ToString();
}
public static string RenderControlToString(Control c)
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
HtmlTextWriter htmlWriter = new HtmlTextWriter(sw);
c.RenderControl(htmlWriter);
return sb.ToString();
}
public static string RenderControlToString(Control ctr)
{
var sb = new StringBuilder();
var writer = new StringWriter(sb);
var writer2 = new HtmlTextWriter(writer);
ctr.RenderControl(writer2);
return sb.ToString();
}
public static string GetControlRendering(Control c, bool designMode) {
if (designMode) {
c.Site = new DesignModeSite();
}
HtmlTextWriter writer = new HtmlTextWriter(new StringWriter());
c.RenderControl(writer);
return writer.InnerWriter.ToString();
}
private string RenderCtrl(Control ctrl) {
StringWriter sw = new StringWriter();
HtmlTextWriter tw = new HtmlTextWriter(sw);
ctrl.RenderControl(tw);
return sw.ToString();
}
public static string RenderControl(Control ctrl)
{
StringBuilder sb = new StringBuilder();
StringWriter tw = new StringWriter(sb);
HtmlTextWriter hw = new HtmlTextWriter(tw);
ctrl.RenderControl(hw);
return sb.ToString();
}
private string RenderControl(Control control)
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
HtmlTextWriter writer = new HtmlTextWriter(sw);
control.RenderControl(writer);
return sb.ToString();
}
/// <summary>
///
/// </summary>
/// <param name="fileName">no extension needed here</param>
/// <param name="ctl"></param>
/// <param name="preProcess">whether to process the control for those elements that is not supported in excel</param>
public static void ExportControl(string fileName, Control ctl, bool preProcess)
{
using (StringWriter sw = new StringWriter())
using (HtmlTextWriter htw = new HtmlTextWriter(sw)) {
if (preProcess)
PrepareControlForExport(ctl);
ctl.RenderControl(htw);
ExportString(fileName, sw.ToString());
}
}
private static void ExportControl(Control control, JsonWriter writer)
{
Debug.Assert(control != null);
Debug.Assert(writer != null);
StringWriter stringWriter = new StringWriter();
HtmlTextWriter htmlWriter = GetHtmlWriter(stringWriter);
control.RenderControl(htmlWriter);
writer.WriteString(stringWriter.ToString());
}
public static string GetRenderResult(Control control)
{
using (StringWriter sw = new StringWriter(CultureInfo.InvariantCulture))
{
using (HtmlTextWriter writer = new HtmlTextWriter(sw))
control.RenderControl(writer);
sw.WriteLine();
return sw.ToString();
}
}
public static string RenderControl(Control control)
{
using (var writer = new StringWriter())
using (var htmlWriter = new HtmlTextWriter(writer))
{
control.RenderControl(htmlWriter);
htmlWriter.Flush();
return writer.ToString();
}
}
public static string RenderControl(Control control)
{
using (StringWriter stringWriter = new StringWriter())
using (XhtmlTextWriter htmlTextWriter = new XhtmlTextWriter(stringWriter))
{
control.RenderControl(htmlTextWriter);
return _collapseMultipleLinefeeds.Replace(HttpUtility.HtmlDecode(stringWriter.ToString())
.Trim(Environment.NewLine.ToArray()), Environment.NewLine); // Replace multiple linefeeds with single.
}
}
public static IHtmlString RenderControl(this HtmlHelper html, Control control)
{
StringBuilder sb = new StringBuilder();
using (StringWriter textwriter = new StringWriter(sb))
{
HtmlTextWriter htmlWriter = new HtmlTextWriter(textwriter);
control.RenderControl(htmlWriter);
}
return html.Raw(sb);
}
public static string RenderControl(Control control)
{
var tw = new StringWriter();
// *** Simple rendering - just write the control to the text writer
// *** works well for single controls without containers
var writer = new Html32TextWriter(tw);
control.RenderControl(writer);
writer.Close();
return tw.ToString();
}
/// <summary>
/// Calls the render method of all the Controls in a control tree,
/// but instead of rendering to the response stream, we render to an
/// in-memory string stream and then return that.
/// </summary>
/// <param name="control"></param>
/// <returns></returns>
public static string RenderControlToString(Control control)
{
StringBuilder sb = new StringBuilder(512);
using (StringWriter stringWriter = new StringWriter(sb))
{
using (HtmlTextWriter htmlWriter = new HtmlTextWriter(stringWriter))
{
control.RenderControl(htmlWriter);
}
}
return sb.ToString();
}
public void exportGridToExcel(Control ctl)
{
string attachment = "attachment; filename=etrack_excel_export.xls";
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.AddHeader("content-disposition", attachment);
HttpContext.Current.Response.ContentType = "application/ms-excel";
StringWriter stw = new StringWriter();
HtmlTextWriter htextw = new HtmlTextWriter(stw);
ctl.RenderControl(htextw);
HttpContext.Current.Response.Write(stw.ToString());
HttpContext.Current.Response.End();
}
//导出数据excel（控件中的内容）
private void ReportToExcel(Control ctl, string FileName)
{
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + "" + FileName);
ctl.EnableViewState = false;
System.IO.StringWriter tw = new System.IO.StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
ctl.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();
}
/// <summary>
/// datagrid生成
/// </summary>
/// <param name="ctl"></param>
public static void ToExcel(Control ctl)
{
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=Excel.xls");
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.ContentEncoding = Encoding.Default;
HttpContext.Current.Response.ContentType = "application/ms-excel";
//image/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword
ctl.Page.EnableViewState = false;
var tw = new StringWriter();
var hw = new HtmlTextWriter(tw);
ctl.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();
}
public static string GetHtmlControl(Control Control)
{
string output = "";
if (Control == null) return output;
using (StringWriter swControl = new StringWriter())
{
using (HtmlTextWriter htwControl = new HtmlTextWriter(swControl))
{
Control.RenderControl(htwControl);
}
output = swControl.ToString();
}
return output;
}
/// <summary>
/// Exports data supplied
/// </summary>
/// <param name="SourceData"></param>
/// <param name="FileName"></param>
/// <param name="PerfomNameMangle"></param>
/// <returns></returns>
public static void ExportToExcel(Control SourceData, string FileName, bool PerfomNameMangle)
{
try
{
HttpContext.Current.Session.Remove("exportReportData");
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
SourceData.RenderControl(htmlWrite);
HttpContext.Current.Session["exportReportData"] = stringWrite.ToString();
HttpContext.Current.Response.Redirect("~/portal/shared/exportReport.aspx?f=" + GetExcelFileName(Path.GetFileNameWithoutExtension(FileName), PerfomNameMangle), false);
}
catch (Exception ex)
{
}
}
public void ExportToExcel(Control ctr)
{
string s = @"<style> .text { mso-number-format:\@; } </script> ";
base.Response.ClearContent();
base.Response.Write("<meta http-equiv=Content-Type content=text/html;charset=utf-8>");
base.Response.AddHeader("content-disposition", "attachment; filename=filename.xls");
base.Response.ContentEncoding = Encoding.GetEncoding("GB2312");
base.Response.ContentType = "application/excel";
StringWriter writer = new StringWriter();
HtmlTextWriter writer2 = new HtmlTextWriter(writer);
ctr.RenderControl(writer2);
base.Response.Write(s);
base.Response.Write(writer.ToString());
base.Response.End();
}
public string RenderControl(Control ctrl)
{
try
{
StringBuilder sb = new StringBuilder();
StringWriter tw = new StringWriter(sb);
HtmlTextWriter hw = new HtmlTextWriter(tw);
ctrl.RenderControl(hw);
return sb.ToString();
}
catch (Exception ex)
{
throw ex;
}
}
public static void DataControlToExcelAndDownload(Control ctl, string FileName)
{
if (string.IsNullOrEmpty(FileName))
{
FileName = "Excel.xls";
}
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + FileName);
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.ContentEncoding = Encoding.Default;
HttpContext.Current.Response.ContentType = "application/ms-excel";
ctl.Page.EnableViewState = false;
StringWriter writer = new StringWriter();
HtmlTextWriter writer2 = new HtmlTextWriter(writer);
ctl.RenderControl(writer2);
HttpContext.Current.Response.Write(writer.ToString());
HttpContext.Current.Response.End();
}
private void Page_Load(object sender, System.EventArgs e)
{
bool bAccessAllowed = false;
PortalDefinition.Module SelModule = GetModule(Request["Tab"], Request["Ctrl"]);
if((SelModule != null) && (SelModule.type == "Newsticker"))
{
string szUrl = Server.UrlDecode(Request["Src"]);
if(UrlExist(Request["Tab"], SelModule, szUrl))
{
bAccessAllowed = true;
// Ermitteln der Anzahl Einträge.
int nNofItems = 0;
try
{
nNofItems = Convert.ToInt32(Request["Nof"]);
}
catch(Exception)
{
nNofItems = 5;
}
// Wir Laden den gesuchten Feed.
RssFeedItem Feed = new RssFeedItem(Request["Name"], szUrl, nNofItems, false);
// Wir ermitteln die Repräsentation dieses Objekts.
Control FeedParent = new Control();
Feed.AddFeedRepresentation(FeedParent.Controls);
// Wir geben die Repräsentation in HTML Code zurück.
StringWriter StrWriter = new StringWriter();
HtmlTextWriter TxtWriter = new HtmlTextWriter(StrWriter);
FeedParent.RenderControl(TxtWriter);
Response.Write(StrWriter.ToString());
}
}
if(!bAccessAllowed)
{
Response.Write("No Access");
}
Response.End();
}
public static void GridOutExcel(Control gvTable, Page page, string Outname)
{
try
{
page.Response.ClearContent();
//page.Response.Charset = "GB2312";
page.Response.ContentEncoding = System.Text.Encoding.Default;
page.Response.AddHeader("content-disposition", "attachment; filename=" + HttpUtility.UrlEncode(Outname, System.Text.Encoding.UTF8) + ".xls");
page.Response.ContentType = "application/excel";
StringWriter o_sw = new StringWriter();
HtmlTextWriter o_htw = new HtmlTextWriter(o_sw);
gvTable.RenderControl(o_htw);
page.Response.Write(o_sw.ToString());
page.Response.End();
}
catch (Exception ex)
{ }
}
