根级别的数据无效。第1行，第1位。 [英] The data at the root level is invalid. Line 1, position 1.

查看：256 发布时间：2019/6/16 10:11:42 xmlandnetfx

本文介绍了根级别的数据无效。第1行，第1位。的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我收到错误消息"根级别的数据无效。第1行，第1位。"在水晶报告查看器中。 PLZ帮我解决了这个错误...

I got error like "The data at the root level is invalid. Line 1, position 1." in crystal report viewer. plz help me to solve this error...

谢谢提前......

Thanks advance...

代码：

使用System;

使用System.Collections;

使用System.ComponentModel;

使用System.Data;

使用System.Drawing;

使用System.Web;

使用System.Web.SessionState;

使用System.Web.UI;

使用System.Web.UI.WebControls;

使用System.Web.UI.HtmlControls;

使用CrystalDecisions.Shared;

使用CrystalDecisions.CrystalReports.Engine;

使用CrystalDecisions.ReportSource;

使用System.IO;

使用System.Data.OleDb;

使用System.Configuration;

使用Oracle.DataAccess.Client;

使用System.Security;
$

名称空间feed.common.Accounts.Reports

{

    ///< summary>

    /// frmCrystalReport的摘要说明。

    ///< / summary>

   公共类frmCrystalReport：feed.library.frmRepHttpPost //System.Web.UI.Page

    {

    &NBSP;&NBSP;&NBSP; protected CrystalDecisions.Web.CrystalReportViewer CrystalReportViewer1;

    &NBSP;&NBSP;&NBSP; protected System.Web.UI.WebControls.Label Label1;

    &NBSP;&NBSP;&NBSP; protected System.Web.UI.WebControls.Label Label2;

    &NBSP;&NBSP;&NBSP; protected System.Web.UI.WebControls.TextBox TextBox2;

    &NBSP;&NBSP;&NBSP; protected System.Web.UI.WebControls.TextBox TextBox1;

    &NBSP;&NBSP;&NBSP; protected System.Web.UI.WebControls.Button Button1;

    &NBSP;&NBSP;&NBSP; protected feed.common.Accounts.Reports.frmCrystalReport1 frmCrystalReport11;

    &NBSP;&NBSP;&NBSP; protected System.Web.UI.HtmlControls.HtmlInputFile file1;

    &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; public frmCrystalReport（）

    &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; InitializeComponent（）;

    &NBSP;&NBSP;&NBSP; }
    &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; private void Page_Load（object sender，System.EventArgs e）

    &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //将用户代码设置为初始化页面

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; }
    &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; #region Web Form Designer生成的代码

    &NBSP;&NBSP;&NBSP;覆盖受保护的void OnInit（EventArgs e）

    &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; // CODEGEN：ASP.NET Web窗体设计器需要此调用。

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; InitializeComponent（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; base.OnInit（e）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; }
    &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; ///< summary>

    &NBSP;&NBSP;&NBSP; ///支持Designer的必需方法 - 不要修改

    &NBSP;&NBSP;&NBSP; ///使用代码编辑器的方法内容。

    &NBSP;&NBSP;&NBSP; ///< / summary>

    &NBSP;&NBSP;&NBSP; private void InitializeComponent（）

    &NBSP;&NBSP;&NBSP; {&NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.frmCrystalReport11 = new feed.common.Accounts.Reports.frmCrystalReport1（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //this.Button1.Click + = new System.EventHandler（this.Button1_Click）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //this.Load + = new System.EventHandler（this.Page_Load）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; // frmCrystalReport11

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.frmCrystalReport11.PrintOptions.PaperOrientation = CrystalDecisions.Shared.PaperOrientation.DefaultPaperOrientation;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.frmCrystalReport11.PrintOptions.PaperSize = CrystalDecisions.Shared.PaperSize.DefaultPaperSize;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.frmCrystalReport11.PrintOptions.PaperSource = CrystalDecisions.Shared.PaperSource.Upper;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.frmCrystalReport11.PrintOptions.PrinterDuplex = CrystalDecisions.Shared.PrinterDuplex.Default;

    &NBSP;&NBSP;&NBSP; }
    &NBSP;&NBSP;&NBSP; #endregion

    &NBSP;&NBSP;&NBSP; private void Button1_Click（object sender，System.EventArgs e）

    &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;试试

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.CrystalReportViewer1.Visible = true;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; ReportDocument cryRpt = new ReportDocument（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; cryRpt.Load（Sever.MapPath（" frmCrystalReport1.rpt"））;;
    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; TableLogOnInfos crtableLogoninfos = new TableLogOnInfos（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; TableLogOnInfo crtableLogoninfo = new TableLogOnInfo（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; ConnectionInfo crConnectionInfo = new ConnectionInfo（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;表格CrTables;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; ParameterFieldDefinitions crParameterFieldDefinitions;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; ParameterFieldDefinition crParameterFieldDefinition;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; ParameterValues crParameterValues = new ParameterValues（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; ParameterDiscreteValue crParameterDiscreteValue = new ParameterDiscreteValue（）;
$

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterDiscreteValue.Value = TextBox1.Text;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; TextBox1.Text = Convert.ToString（string.Format（" {0：MM / dd / yyyy}"））;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterFieldDefinitions = cryRpt.DataDefinition.ParameterFields;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterFieldDefinition = crParameterFieldDefinitions [" fromDate"];

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterValues = crParameterFieldDefinition.CurrentValues;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterValues.Clear（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterValues.Add（crParameterDiscreteValue）;
$

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterFieldDefinition.ApplyCurrentValues（crParameterValues）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterDiscreteValue.Value = TextBox2.Text;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; TextBox2.Text = Convert.ToString（string.Format（" {0：MM / dd / yyyy}"））;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterFieldDefinitions = cryRpt.DataDefinition.ParameterFields;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterFieldDefinition = crParameterFieldDefinitions [" toDate"];

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterValues = crParameterFieldDefinition.CurrentValues;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterValues.Add（crParameterDiscreteValue）;
$

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crParameterFieldDefinition.ApplyCurrentValues（crParameterValues）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crConnectionInfo.ServerName ="" ;;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crConnectionInfo.DatabaseName ="" ;;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crConnectionInfo.UserID ="" ;;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crConnectionInfo.Password ="" ;;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; //cryRpt.Load(Server.MapPath（" frmCrystalReport1.rpt"））;
$

b $ b    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; CrTables = cryRpt.Database.Tables;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; foreach（CrystalDecisions.CrystalReports.Engine.Table CrTable in CrTables）

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crtableLogoninfo = CrTable.LogOnInfo;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; crtableLogoninfo.ConnectionInfo = crConnectionInfo;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; CrTable.ApplyLogOnInfo（crtableLogoninfo）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; }
    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; CrystalReportViewer1.ReportSource = cryRpt;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; this.CrystalReportViewer1.ReportSource = Server.MapPath（" frmCrystalReport1.rpt"）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; CrystalReportViewer1.RefreshReport（）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; }

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; catch（Exception ex）

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; {

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; string script ="< script> alert（'" + ex.Message +"'）;< / script>" ;;
$
    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; Response.Write（ex.Message）;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; &NBSP;&NBSP;&NBSP; }

    &NBSP;&NBSP;&NBSP;

    &NBSP;&NBSP;&NBSP; }

    &NBSP;&NBSP;&NBSP;

    }

}

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using CrystalDecisions.Shared;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.ReportSource;
using System.IO;
using System.Data.OleDb;
using System.Configuration;
using Oracle.DataAccess.Client;
using System.Security;

namespace feed.common.Accounts.Reports
{
    /// <summary>
    /// Summary description for frmCrystalReport.
    /// </summary>
    public class frmCrystalReport : feed.library.frmRepHttpPost //System.Web.UI.Page
    {
        protected CrystalDecisions.Web.CrystalReportViewer CrystalReportViewer1;
        protected System.Web.UI.WebControls.Label Label1;
        protected System.Web.UI.WebControls.Label Label2;
        protected System.Web.UI.WebControls.TextBox TextBox2;
        protected System.Web.UI.WebControls.TextBox TextBox1;
        protected System.Web.UI.WebControls.Button Button1;
        protected feed.common.Accounts.Reports.frmCrystalReport1 frmCrystalReport11;
        protected System.Web.UI.HtmlControls.HtmlInputFile file1;

        public frmCrystalReport()
        {
            InitializeComponent();
        }

        private void Page_Load(object sender, System.EventArgs e)
        {
            // Put user code to initialize the page here


        }


        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);

        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.frmCrystalReport11 = new feed.common.Accounts.Reports.frmCrystalReport1();
            //this.Button1.Click += new System.EventHandler(this.Button1_Click);
            //this.Load += new System.EventHandler (this.Page_Load);
            //
            // frmCrystalReport11
            //
            this.frmCrystalReport11.PrintOptions.PaperOrientation = CrystalDecisions.Shared.PaperOrientation.DefaultPaperOrientation;
            this.frmCrystalReport11.PrintOptions.PaperSize = CrystalDecisions.Shared.PaperSize.DefaultPaperSize;
            this.frmCrystalReport11.PrintOptions.PaperSource = CrystalDecisions.Shared.PaperSource.Upper;
            this.frmCrystalReport11.PrintOptions.PrinterDuplex = CrystalDecisions.Shared.PrinterDuplex.Default;

        }
        #endregion

        private void Button1_Click(object sender, System.EventArgs e)
        {

            try

            {

                this.CrystalReportViewer1.Visible = true;
                ReportDocument cryRpt = new ReportDocument();
                cryRpt.Load(Sever.MapPath("frmCrystalReport1.rpt"));


                TableLogOnInfos crtableLogoninfos = new TableLogOnInfos();

                TableLogOnInfo crtableLogoninfo = new TableLogOnInfo();

                ConnectionInfo crConnectionInfo = new ConnectionInfo();

                Tables CrTables;

                ParameterFieldDefinitions crParameterFieldDefinitions ;

                ParameterFieldDefinition crParameterFieldDefinition ;

                ParameterValues crParameterValues = new ParameterValues();

                ParameterDiscreteValue crParameterDiscreteValue = new ParameterDiscreteValue();

                crParameterDiscreteValue.Value = TextBox1.Text;

                TextBox1.Text = Convert.ToString(string.Format("{0:MM/dd/yyyy}"));

                crParameterFieldDefinitions = cryRpt.DataDefinition.ParameterFields;

                crParameterFieldDefinition = crParameterFieldDefinitions["fromDate"];

                crParameterValues = crParameterFieldDefinition.CurrentValues;

                crParameterValues.Clear();

                crParameterValues.Add(crParameterDiscreteValue);

                crParameterFieldDefinition.ApplyCurrentValues(crParameterValues);

                crParameterDiscreteValue.Value = TextBox2.Text;

                TextBox2.Text = Convert.ToString(string.Format("{0:MM/dd/yyyy}"));

                crParameterFieldDefinitions = cryRpt.DataDefinition.ParameterFields;

                crParameterFieldDefinition = crParameterFieldDefinitions["toDate"];

                crParameterValues = crParameterFieldDefinition.CurrentValues;

                crParameterValues.Add(crParameterDiscreteValue);

                crParameterFieldDefinition.ApplyCurrentValues(crParameterValues);

                crConnectionInfo.ServerName = "";

                crConnectionInfo.DatabaseName = "";

                crConnectionInfo.UserID = "";

                crConnectionInfo.Password = "";
                //cryRpt.Load(Server.MapPath ("frmCrystalReport1.rpt"));

                CrTables = cryRpt.Database.Tables;

                foreach (CrystalDecisions.CrystalReports.Engine.Table CrTable in CrTables)

                {

                    crtableLogoninfo = CrTable.LogOnInfo;

                    crtableLogoninfo.ConnectionInfo = crConnectionInfo;

                    CrTable.ApplyLogOnInfo(crtableLogoninfo);


                }
                CrystalReportViewer1.ReportSource = cryRpt;
                this.CrystalReportViewer1.ReportSource = Server.MapPath ("frmCrystalReport1.rpt");

                CrystalReportViewer1.RefreshReport ();

            }

            catch (Exception ex)

            {

                string script = "<script>alert('" + ex.Message + "');</script>";
                Response.Write (ex.Message );


            }



        }


    }

}

根级别的数据无效。第1行，第1位。 [英] The data at the root level is invalid. Line 1, position 1.

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根级别的数据无效。第1行，第1位。 [英] The data at the root level is invalid. Line 1, position 1.

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