Я пытаюсь экспортировать данные из gridview в pdf в обычном формате .aspx, он работает, но когда я пытаюсь сделать это в форме webusercontrl.ascx, появляется ошибка, например
VerifyRenderingInServerForm(System.Web.UI.Control)': no suitable method found to override....
как я могу экспортировать данные в webusercontrol.ascx, пожалуйста, помогите мне ...
Вот мой код
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.html.simpleparser;
using iTextSharp.text.pdf;
namespace MortgageSaver
{
public partial class Paymentreportsviewcontrl : System.Web.UI.UserControl
{
MortgagesaverEntities mortgageentity = new MortgagesaverEntities();
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
if (Session["Username"] != null)
{
if (Session["Loanid"] != null)
{
txtloanid.Text = Session["Loanid"].ToString();
grdviewPayments.Attributes.Add("bordercolor ", "#A4C2CE");
GetPaymentReport();
}
}
else
{
Response.Redirect("AdminLogin.aspx");
}
}
}
private void GetPaymentReport()
{
try
{
string todate = txttodate.Text;
string[] todatesplt = todate.Split('-');
int todatemnth = Convert.ToInt32(todatesplt[0]);
int todatedate = Convert.ToInt32(todatesplt[1]);
int todateyr = Convert.ToInt32(todatesplt[2]);
string fromdate = txtfromdate.Text;
string[] frmdatesplt = fromdate.Split('-');
int frmdatemnth = Convert.ToInt32(frmdatesplt[0]);
int frmdatedate = Convert.ToInt32(frmdatesplt[1]);
int frmdateyr = Convert.ToInt32(frmdatesplt[2]);
DateTime start = new DateTime(frmdateyr, frmdatemnth, frmdatedate);
DateTime end = new DateTime(todateyr, todatemnth, todatedate);
int loanpaymentid = Convert.ToInt32(Session["Loanid"].ToString());
var query = from p in mortgageentity.Payments
join D in mortgageentity.Debit_Method on p.Debit_Method_ID equals D.Debit_Method_ID
join pt in mortgageentity.Payment_Type on p.Payment_Type_ID equals pt.Payment_Type_ID
where (p.Client_Pmt_Date >= start) && (p.Client_Pmt_Date <= end) && (p.Loan_ID == loanpaymentid)orderby p.Client_Pmt_Date descending
select new
{
p.Pmt_ID,
p.Loan_ID,
p.Client_Pmt_Date,
p.MtgSvr_Pmt_Start_Date2,
D.Debit_Method_Desc,
p.Total_Debit_Amt,
p.CreditAmt,
p.LenderAmt,
pt.Payment_Type_Desc,
p.Return_Code,
p.Returned_Date
};
grdviewPayments.DataSource = query.ToList();
grdviewPayments.DataBind();
}
catch { }
}
protected string Getammount(object MonthPayAmt)
{
if (MonthPayAmt != "")
{
return "$" + MonthPayAmt;
}
else
return null;
}
protected void btnviewreport_Click(object sender, EventArgs e)
{
grdviewPayments.Attributes.Add("bordercolor ", "#A4C2CE");
GetPaymentReport();
}
public override void VerifyRenderingInServerForm(grdviewPayments)
{
/* Verifies that the control is rendered */
}
protected void btnemail_Click(object sender, EventArgs e)
{
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment;filename=UserDetails.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
grdviewPayments.AllowPaging = true;
grdviewPayments.DataBind();
grdviewPayments.RenderControl(hw);
grdviewPayments.HeaderRow.Style.Add("width", "15%");
grdviewPayments.HeaderRow.Style.Add("font-size", "10px");
grdviewPayments.Style.Add("text-decoration", "none");
grdviewPayments.Style.Add("font-family", "Arial, Helvetica, sans-serif;");
grdviewPayments.Style.Add("font-size", "8px");
StringReader sr = new StringReader(sw.ToString());
Document pdfDoc = new Document(PageSize.A2, 7f, 7f, 7f, 0f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
pdfDoc.Open();
htmlparser.Parse(sr);
pdfDoc.Close();
Response.Write(pdfDoc);
Response.End();
}
}
}