C# itextsharp pdf中的gridview列宽工作需要设置样式
这就是使用itextsharp在新窗口中打开pdf格式的正确信息。 但是第一列太宽了,第二列、第三列和第四列太小了。 我该怎么做C# itextsharp pdf中的gridview列宽工作需要设置样式,c#,css,pdf,gridview,itext,C#,Css,Pdf,Gridview,Itext,这就是使用itextsharp在新窗口中打开pdf格式的正确信息。 但是第一列太宽了,第二列、第三列和第四列太小了。 我该怎么做 <form id="f1"> <asp:ImageButton BorderStyle="0" CssClass="submitbutton" runat="server" AlternateText="Get PDF" ID="LinkButton1" OnClick="btnGenerateReport" /> <asp:GridV
<form id="f1">
<asp:ImageButton BorderStyle="0" CssClass="submitbutton" runat="server" AlternateText="Get PDF" ID="LinkButton1" OnClick="btnGenerateReport" />
<asp:GridView BackColor="#FFFFFF" ID="gvEventCaf" runat="server" >
</asp:GridView>
</form>
这里是我看到pdf的地方:
private void ShowPdf(string s)
{
Response.ClearContent();
Response.ClearHeaders();
Response.AddHeader("Content-Disposition", "inline;filename=" + s);
Response.ContentType = "application/pdf";
Response.WriteFile(s);
Response.Flush();
Response.Clear();
}
这是我放在App_代码中的Mypage.cs帮助文件:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
/// <summary>
/// Summary description for MyPage
/// </summary>
public class MyPage : Page
{
public override void VerifyRenderingInServerForm(Control control)
{
GridView grid = control as GridView;
if (grid != null && grid.ID == "gvEventCaf")
return;
else
base.VerifyRenderingInServerForm(control);
}
}
使用系统;
使用系统数据;
使用系统配置;
使用System.Web;
使用System.Web.Security;
使用System.Web.UI;
使用System.Web.UI.WebControl;
使用System.Web.UI.WebControl.WebParts;
使用System.Web.UI.HTMLControl;
///
///MyPage的摘要说明
///
公共类MyPage:第页
{
公共覆盖无效VerifyRenderingInServerForm(控件)
{
GridView grid=控件作为GridView;
if(grid!=null&&grid.ID==“gvEventCaf”)
返回;
其他的
base.VerifyRenderingInServerForm(控件);
}
}
以下是对我有效的方法。我必须为所有事件创建一个与事件列表相同但独立的gridview,我对gridview进行了样式设置,这样它就远离了站点页面,没有人可以看到它
在对象eventlist.ascx的公共端:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="EventList.ascx.cs" Inherits="Objects_EventList" %>
<asp:ListView runat="server" ID="lstvwEvents" OnItemDataBound="lstvwEvents_OnItemDataBound">
<LayoutTemplate>
<div class="eventtease" style="width: 249px;border-bottom: 1px solid #c0c06b;padding-right: 10px;padding-top: 10px;height: 300px;overflow: auto;">
<asp:Literal runat="server" ID="itemPlaceholder" />
<div style="clear: both;"></div>
</div>
</LayoutTemplate>
<ItemTemplate>
<h3 style="clear: both;border-top: 1px solid #c0c06b;padding-top: 10px;"><asp:Literal runat="server" ID="ltrlShortDate" /><br /><%# Eval("EventName").ToString().ToUpper() %><br />(<asp:Literal runat="server" ID="ltrlTimes" />)</h3>
<p class="eventdescription" style="font: normal normal normal 7.5pt/normal Arial, Sans-Serif;margin-top: 3px;">
<%# Eval("Description") %>
</p>
<asp:HyperLink runat="server" ID="lnkLearnMore" Text="LEARN MORE" CssClass="learnmore" Visible="false" />
</ItemTemplate>
</asp:ListView>
<form id="f1">
<div>
<asp:GridView ID="gvEventCaf" runat="server"
AutoGenerateColumns= "false" Font-Names= "Arial" AllowPaging="true"
OnPageIndexChanging= "OnPaging" CssClass="offframe" >
<Columns>
<asp:BoundField ItemStyle-Width = "50px" ItemStyle-Font-Size ="10px" DataField = "EventName" HeaderText = "Event Name" />
<asp:BoundField ItemStyle-Width = "50px" ItemStyle-Font-Size ="10px" DataField = "EventTime" HeaderText = "Event Time"/>
<asp:BoundField ItemStyle-Width = "50px" ItemStyle-Font-Size ="10px" DataField = "EventDate" HeaderText = "Event Date"/>
<asp:BoundField ItemStyle-Width = "100px" ItemStyle-Font-Size ="10px" DataField = "Description" HeaderText = "Description"/>
</Columns>
</asp:GridView>
</div>
<asp:Button ID="btnExportPDF" runat="server" Text="Download PDF" OnClick="btnExportPDF_Click" />
</form>
()
在代码隐藏中,eventlist.ascx.cs:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.Security;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html;
using iTextSharp.text.html.simpleparser;
using System.IO;
public partial class Objects_EventList : System.Web.UI.UserControl
{
public string city;
public int showcount;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Load_Events();
};
}
protected void Load_Events()
{
EventsDataContext edc = new EventsDataContext();
var events = (from e in edc.tblEvents_Cafes
where e.EventDateTime >= DateTime.Now && e.VenueCity.Trim() == city.Trim() && (e.VenueName.Contains("Café") || e.VenueName.Contains("Cafe") )
orderby e.EventDateTime
select new {
EventName = e.EventName,
EventDate = e.EventDate,
EventTime = e.EventTime,
Description = edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == e.EventName.ToLower()).Select(d => d.Description).First(), // edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == e.EventName.ToLower() || d.Keywords.ToLower().CompareTo(e.EventName.ToLower()) >= 0).Select(d => d.Description).First()
}).Take(showcount);
lstvwEvents.DataSource = events;
lstvwEvents.DataBind();
}
protected void lstvwEvents_OnItemDataBound(Object sender, ListViewItemEventArgs e)
{
ListViewDataItem dataItem = (ListViewDataItem)e.Item;
if (e.Item.ItemType == ListViewItemType.DataItem)
{
var tempevent = dataItem.DataItem;
Type t = tempevent.GetType();
DateTime tempdate;
if (DateTime.TryParse((t.GetProperty("EventDate").GetValue(tempevent, null)).ToString(), out tempdate))
{
Literal ltrlShortDate = new Literal();
ltrlShortDate = (Literal)e.Item.FindControl("ltrlShortDate");
ltrlShortDate.Text = tempdate.ToString("MM/dd/yyyy");
}
if (DateTime.TryParse((t.GetProperty("EventTime").GetValue(tempevent, null)).ToString(), out tempdate))
{
Literal ltrlTimes = new Literal();
ltrlTimes = (Literal)e.Item.FindControl("ltrlTimes");
ltrlTimes.Text = tempdate.ToString("hh:mm tt");
}
}
}
//Begin gridview for pdf
protected void btnExportPDF_Click(object sender, EventArgs e)
{
gvEventCaf.AllowPaging = Convert.ToBoolean(rbPaging.SelectedItem.Value);
EventsDataContext edc = new EventsDataContext();
var events = (from f in edc.tblEvents_Cafes
where f.EventDateTime >= DateTime.Now && f.VenueCity.Trim() == city.Trim() && (f.VenueName.Contains("Café") || f.VenueName.Contains("Cafe"))
orderby f.EventDateTime
select new
{
EventName = f.EventName,
EventDate = f.EventDate,
EventTime = f.EventTime,
VenueName = f.VenueName,
Description = edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == f.EventName.ToLower()).Select(d => d.Description).First(), // edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == e.EventName.ToLower() || d.Keywords.ToLower().CompareTo(e.EventName.ToLower()) >= 0).Select(d => d.Description).First()
}).Take(showcount);
gvEventCaf.DataSource = events;
gvEventCaf.DataBind();
//Create a table
iTextSharp.text.Table table = new iTextSharp.text.Table(gvEventCaf.Columns.Count);
table.Cellpadding = 5;
//Set the column widths
int[] widths = new int[gvEventCaf.Columns.Count];
for (int x = 0; x < gvEventCaf.Columns.Count; x++)
{
widths[x] = (int)gvEventCaf.Columns[x].ItemStyle.Width.Value;
string cellText = Server.HtmlDecode(gvEventCaf.HeaderRow.Cells[x].Text);
iTextSharp.text.Cell cell = new iTextSharp.text.Cell(cellText);
cell.BackgroundColor = new Color(System.Drawing.ColorTranslator.FromHtml("#25925c"));
table.AddCell(cell);
}
table.SetWidths(widths);
//Transfer rows from GridView to table
for (int i = 0; i < gvEventCaf.Rows.Count; i++)
{
if (gvEventCaf.Rows[i].RowType == DataControlRowType.DataRow)
{
for (int j = 0; j < gvEventCaf.Columns.Count; j++)
{
string cellText = Server.HtmlDecode(gvEventCaf.Rows[i].Cells[j].Text);
iTextSharp.text.Cell cell = new iTextSharp.text.Cell(cellText);
//Set Color of Alternating row
if (i % 2 != 0)
{
cell.BackgroundColor = new Color(System.Drawing.ColorTranslator.FromHtml("#C2D69B"));
}
table.AddCell(cell);
}
}
}
//Create the PDF Document
Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 0f);
PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
pdfDoc.Open();
Paragraph chunk = new Paragraph("Calendar of Events for " + city + "Cafe" );
pdfDoc.Add(chunk);
pdfDoc.Add(table);
pdfDoc.Close();
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment;filename=CafeCalendar.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Write(pdfDoc);
Response.End();
}
protected void OnPaging(object sender, GridViewPageEventArgs e)
{
gvEventCaf.PageIndex = e.NewPageIndex;
gvEventCaf.DataBind();
}
}
使用系统;
使用系统数据;
使用系统配置;
使用系统集合;
使用系统文本;
使用System.Collections.Generic;
使用System.Linq;
使用System.Web;
使用System.Web.UI;
使用System.Web.Security;
使用System.Web.UI.WebControl;
使用System.Web.UI.WebControl.WebParts;
使用System.Web.UI.HTMLControl;
使用iTextSharp.text;
使用iTextSharp.text.pdf;
使用iTextSharp.text.html;
使用iTextSharp.text.html.simpleparser;
使用System.IO;
公共部分类对象\u事件列表:System.Web.UI.UserControl
{
公共字符串城市;
公共int showcount;
受保护的无效页面加载(对象发送方、事件参数e)
{
如果(!IsPostBack)
{
加载事件();
};
}
受保护的无效加载事件()
{
EventsDataContext edc=新的EventsDataContext();
var事件=(来自edc.tblEvents\u咖啡馆中的e)
其中e.EventDateTime>=DateTime.Now&&e.VenueCity.Trim()==city.Trim()&&e.VenueName.Contains(“Café”)| e.VenueName.Contains(“Caf”))
orderby e.EventDateTime
选择新的{
EventName=e.EventName,
EventDate=e.EventDate,
EventTime=e.EventTime,
Description=edc.tblEvents\u Cafe\u Description.OrderBy(d=>d.Priority).其中(d=>d.Keywords.ToLower()==e.EventName.ToLower()).选择(d=>d.Description.First(),//edc.tblEvents\u Cafe\u Descriptions.OrderBy(d=>d.Priority).其中(d=>d.Keywords.ToLower()==e.EventName.ToLower()| d.Keywords.ToLower().CompareTo(e.EventName.ToLower())>=0).Select(d=>d.Description).First()
}).参加(表演);
lstvwEvents.DataSource=事件;
lstvwEvents.DataBind();
}
受保护的无效lstvwEvents\u OnItemDataBound(对象发送方,ListViewItemEventArgs e)
{
ListViewDataItem数据项=(ListViewDataItem)e.Item;
if(e.Item.ItemType==ListViewItemType.DataItem)
{
var tempevent=dataItem.dataItem;
类型t=tempevent.GetType();
日期时间-临时日期;
if(DateTime.TryParse((t.GetProperty(“EventDate”).GetValue(tempevent,null)).ToString(),out tempdate))
{
Literal ltrlShortDate=new Literal();
ltrlShortDate=(文字)e.Item.FindControl(“ltrlShortDate”);
ltrlShortDate.Text=tempdate.ToString(“MM/dd/yyyy”);
}
if(DateTime.TryParse((t.GetProperty(“EventTime”).GetValue(tempevent,null)).ToString(),out tempdate))
{
文字ltrlTimes=新文字();
ltrlTimes=(文字)e.Item.FindControl(“ltrlTimes”);
ltrlTimes.Text=tempdate.ToString(“hh:mmtt”);
}
}
}
//开始pdf格式的gridview
受保护的无效btnExportPDF\u单击(对象发送者,事件参数e)
{
gEventCaf.AllowPaging=Convert.ToBoolean(rbPaging.SelectedItem.Value);
EventsDataContext edc=新的EventsDataContext();
var事件=(来自edc.tblEvents\u咖啡馆中的f
其中f.EventDateTime>=DateTime.Now&&f.VenueCity.Trim()==city.Trim()&&f.VenueName.Contains(“Café”)| f.VenueName.Contains(“Caf”))
orderby f.EventDateTime
选择新的
{
EventName=f.EventName,
EventDate=f.EventDate,
EventTime=f.EventTime,
VenuName=f.VenuName,
Description=edc.tblEvents\u Cafe\u Description.OrderBy(d=>d.Priority).其中(d=>d.Keywords.ToLower()==f.EventName.ToLower()).选择(d=>d.Description.First(),//edc.tblEvents\u Cafe\u Descriptions.OrderBy(d=>d.Priority).其中(d=>d.Keywords.ToLower()==e.EventName.ToLower()| d.Keywords.ToLower().CompareTo(e.EventName.ToLower())>=0).Select(d=>d.Description).First()
}).参加(表演);
gvEventCaf.DataSource=事件;
gventcaf.DataBind();
//创建一个表
iTextSharp.text.Table Table=新的iTextSharp.text.Table(gventcaf.Columns.Count);
表1.1=5;
//设置列宽
int[]宽度=新的int[gvEventCaf.Columns.Count];
对于(int x=0;xusing System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.Security;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html;
using iTextSharp.text.html.simpleparser;
using System.IO;
public partial class Objects_EventList : System.Web.UI.UserControl
{
public string city;
public int showcount;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Load_Events();
};
}
protected void Load_Events()
{
EventsDataContext edc = new EventsDataContext();
var events = (from e in edc.tblEvents_Cafes
where e.EventDateTime >= DateTime.Now && e.VenueCity.Trim() == city.Trim() && (e.VenueName.Contains("Café") || e.VenueName.Contains("Cafe") )
orderby e.EventDateTime
select new {
EventName = e.EventName,
EventDate = e.EventDate,
EventTime = e.EventTime,
Description = edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == e.EventName.ToLower()).Select(d => d.Description).First(), // edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == e.EventName.ToLower() || d.Keywords.ToLower().CompareTo(e.EventName.ToLower()) >= 0).Select(d => d.Description).First()
}).Take(showcount);
lstvwEvents.DataSource = events;
lstvwEvents.DataBind();
}
protected void lstvwEvents_OnItemDataBound(Object sender, ListViewItemEventArgs e)
{
ListViewDataItem dataItem = (ListViewDataItem)e.Item;
if (e.Item.ItemType == ListViewItemType.DataItem)
{
var tempevent = dataItem.DataItem;
Type t = tempevent.GetType();
DateTime tempdate;
if (DateTime.TryParse((t.GetProperty("EventDate").GetValue(tempevent, null)).ToString(), out tempdate))
{
Literal ltrlShortDate = new Literal();
ltrlShortDate = (Literal)e.Item.FindControl("ltrlShortDate");
ltrlShortDate.Text = tempdate.ToString("MM/dd/yyyy");
}
if (DateTime.TryParse((t.GetProperty("EventTime").GetValue(tempevent, null)).ToString(), out tempdate))
{
Literal ltrlTimes = new Literal();
ltrlTimes = (Literal)e.Item.FindControl("ltrlTimes");
ltrlTimes.Text = tempdate.ToString("hh:mm tt");
}
}
}
//Begin gridview for pdf
protected void btnExportPDF_Click(object sender, EventArgs e)
{
gvEventCaf.AllowPaging = Convert.ToBoolean(rbPaging.SelectedItem.Value);
EventsDataContext edc = new EventsDataContext();
var events = (from f in edc.tblEvents_Cafes
where f.EventDateTime >= DateTime.Now && f.VenueCity.Trim() == city.Trim() && (f.VenueName.Contains("Café") || f.VenueName.Contains("Cafe"))
orderby f.EventDateTime
select new
{
EventName = f.EventName,
EventDate = f.EventDate,
EventTime = f.EventTime,
VenueName = f.VenueName,
Description = edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == f.EventName.ToLower()).Select(d => d.Description).First(), // edc.tblEvents_Cafe_Descriptions.OrderBy(d => d.Priority).Where(d => d.Keywords.ToLower() == e.EventName.ToLower() || d.Keywords.ToLower().CompareTo(e.EventName.ToLower()) >= 0).Select(d => d.Description).First()
}).Take(showcount);
gvEventCaf.DataSource = events;
gvEventCaf.DataBind();
//Create a table
iTextSharp.text.Table table = new iTextSharp.text.Table(gvEventCaf.Columns.Count);
table.Cellpadding = 5;
//Set the column widths
int[] widths = new int[gvEventCaf.Columns.Count];
for (int x = 0; x < gvEventCaf.Columns.Count; x++)
{
widths[x] = (int)gvEventCaf.Columns[x].ItemStyle.Width.Value;
string cellText = Server.HtmlDecode(gvEventCaf.HeaderRow.Cells[x].Text);
iTextSharp.text.Cell cell = new iTextSharp.text.Cell(cellText);
cell.BackgroundColor = new Color(System.Drawing.ColorTranslator.FromHtml("#25925c"));
table.AddCell(cell);
}
table.SetWidths(widths);
//Transfer rows from GridView to table
for (int i = 0; i < gvEventCaf.Rows.Count; i++)
{
if (gvEventCaf.Rows[i].RowType == DataControlRowType.DataRow)
{
for (int j = 0; j < gvEventCaf.Columns.Count; j++)
{
string cellText = Server.HtmlDecode(gvEventCaf.Rows[i].Cells[j].Text);
iTextSharp.text.Cell cell = new iTextSharp.text.Cell(cellText);
//Set Color of Alternating row
if (i % 2 != 0)
{
cell.BackgroundColor = new Color(System.Drawing.ColorTranslator.FromHtml("#C2D69B"));
}
table.AddCell(cell);
}
}
}
//Create the PDF Document
Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 0f);
PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
pdfDoc.Open();
Paragraph chunk = new Paragraph("Calendar of Events for " + city + "Cafe" );
pdfDoc.Add(chunk);
pdfDoc.Add(table);
pdfDoc.Close();
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment;filename=CafeCalendar.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Write(pdfDoc);
Response.End();
}
protected void OnPaging(object sender, GridViewPageEventArgs e)
{
gvEventCaf.PageIndex = e.NewPageIndex;
gvEventCaf.DataBind();
}
}