Question

我有一个asp.net报表查看器的问题我必须显示两个SQL表数据

我为此制作了一个功能，可以正常使用html报告，但我想在我的网站的报告查看器中显示它。以下代码适用于Gridview，但不能与报表查看器绑定。

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        reports();
    }

}
private void reports()
{

    DataSet ds = new DataSet();
    DataTable da = new DataTable();
    DataColumn dc = new DataColumn();

    db.CommandTimeout = 200;
    var ans = (from data in db.tblAttributeDatas
               where data.nMainDataId == 3291
               select data).ToList();


    List<tblSectionAttribute> cols = (from Attrib in db.tblSectionAttributes
                                      from main in db.tblAttributeDatas
                                      where Attrib.nId == main.nSectionAttributeId
                                      &&
                                      main.nMainDataId == 3291
                                      select Attrib).ToList();
    int a = 1;
    foreach (var item in cols)
    {


        DataColumn dc1 = new DataColumn(a.ToString() + "." + item.strAttributeName);
        dc1.DefaultValue = "";
        da.Columns.Add(dc1);
        a++;



    }
    int row = 0;
    DataRow dr = da.NewRow();
    foreach (var item1 in ans)
    {

        DataColumn d = new DataColumn();
        if (item1.strValue != "")
        {
            d = new DataColumn(row.ToString() + "." + item1.strValue);
        }
        else
        {
            d = new DataColumn("not Answered");
        }
        dr[row] = d;
        //da.Rows.Add(dr);
        //   dr = da.Rows[row];

        row++;
    }
    da.Rows.Add(dr);
    ReportViewer1.ProcessingMode = ProcessingMode.Local;
    ReportViewer1.LocalReport.ReportPath = Server.MapPath("~/Report.rdlc");

    ReportDataSource datasource = new ReportDataSource("DataSet",da);
    ReportViewer1.DataBind();
    ReportViewer1.LocalReport.DataSources.Clear();
    ReportViewer1.LocalReport.DataSources.Add(datasource);



}

我的aspx代码是

     <asp:ScriptManager runat="server" />
    <rsweb:ReportViewer ID="ReportViewer1" runat="server" Font-Names="Verdana" Font-Size="8pt" WaitMessageFont-Names="Verdana" WaitMessageFont-Size="14pt">
        <LocalReport ReportPath="Report.rdlc">
       <DataSources>
            <rsweb:ReportDataSource  />     
       </DataSources>
        </LocalReport>
    </rsweb:ReportViewer>

并且输出为空白只有空白ReportViewer在浏览器中显示，报表查看器内置标题和分页没有错误只是报表查看器的黑色输出请帮忙

Answer 1

首先，使用rdlc文件配置dataset.xsd文件
然后在数据集中创建数据表
并设计您的报告，只需将您的数据表字段拖放到rdlc文件中
即可
我希望这些信息可以帮助你

http://www.aspsnippets.com/Articles/How-to-create-RDLC-report-step-by-step-in-ASPNet-using-C-and-VBNet.aspx

asp.net报表查看器绑定问题

1 个答案: