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大家在看我的文章之前:我先说几点,本人也是刚开始接触reportviewer工具做报表。下面也是我第一次做的第一个报表。只是供大家参考而已。现在网上学习报表的贴子很多,现在我把它发表到这里,是为自已以后深入学习报表做一点积累和准备。
做报表要注意几点:1、设计好你的数据源。例如,我是利用数据集和存储过程做的。2、设计好报表,最重要的是参数。报表参数可有可无。3、最后在添加引用数据集的时候,请确保数据集引用正确,因为之前我在添加方法的时候,怎么也添加不进去,哎!原来是引用数据集有问题。
以下是我做报表的一些流程
1 、数据集图如下:
2报表视图如下:其实显示的列数无所谓
3报表参数图如下:
4界面UI设计图如下:
5 HTML代码如下:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="A._Default" %>
<%@ Register assembly="Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" namespace="Microsoft.Reporting.WebForms" tagprefix="rsweb" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="drpCourse" runat="server" Width="100px"
AutoPostBack="True">
<asp:ListItem>NEO</asp:ListItem>
<asp:ListItem>Objection</asp:ListItem>
<asp:ListItem>PSS</asp:ListItem>
<asp:ListItem>PSN</asp:ListItem>
<asp:ListItem>SQL</asp:ListItem>
<asp:ListItem>DSS foundation Management skill</asp:ListItem>
<asp:ListItem Value="fly eagle II">fly elage
</asp:ListItem>
</asp:DropDownList>
<br />
</div>
<rsweb:ReportViewer ID="ReportViewer1" runat="server" Font-Names="Verdana"
Font-Size="8pt" Height="400px" Width="400px">
<LocalReport ReportPath="rtp_trainingsummary.rdlc">
<DataSources>
<rsweb:ReportDataSource DataSourceId="ObjectDataSource1"
Name="billdt_DSR_Training_Summary" />
</DataSources>
</LocalReport>
</rsweb:ReportViewer>
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
OldValuesParameterFormatString="original_{0}" SelectMethod="GetDataBynaeme"
TypeName="MyDT.dtsummaryTableAdapters.DSR_Training_SummaryTableAdapter">
</asp:ObjectDataSource>
</form>
</body>
</html>
6 后台代码如下:
Imports Microsoft.Reporting
Imports System.Data.SqlClient
Imports System.Text
Imports Microsoft.Reporting.WebForms
Partial Public Class _Default
Inherits System.Web.UI.Page
Dim paracoll As New ReportParameter
Dim sqlcon As SqlConnection
Dim sqlcmd As SqlCommand
Dim dataapdter As SqlDataAdapter()
Dim dt As New DataSet()
Dim constr As String = "Data Source=.;Initial Catalog=test;Integrated Security=True"
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
drpCourse_SelectedIndexChanged(Nothing, Nothing)
End Sub
Function DisplayByCoursename()
ReportViewer1.Style.Add(HtmlTextWriterStyle.Width, "100%")
paracoll = New ReportParameter("coursename", drpCourse.SelectedValue)
sqlcon = New SqlConnection(constr)
sqlcmd = New SqlCommand("sp_getdsr_training_summarybycoursename", sqlcon)
Dim dataapdter As New SqlDataAdapter(sqlcmd)
sqlcmd.CommandType = CommandType.StoredProcedure
sqlcmd.Parameters.AddWithValue("@coursename", drpCourse.SelectedValue)
dt = New DataSet()
dataapdter.Fill(dt)
ReportViewer1.Visible = True
Dim rpdt As New ReportDataSource("ObjectDataSource1", dt.Tables(0))
ReportViewer1.LocalReport.SetParameters(New ReportParameter() {paracoll})
ReportViewer1.LocalReport.DataSources.Add(rpdt)
ReportViewer1.LocalReport.Refresh()
End Function
Protected Sub drpCourse_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles drpCourse.SelectedIndexChanged
DisplayByCoursename()
End Sub
End Class
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