来自HRESULT的异常：0x800AC472在导出期间从datagridview excel [英] Exception from HRESULT: 0x800AC472 during Export to excel from datagridview

问题描述

嗨我想将datagridview数据导出到excel但是在1198记录之后它显示错误来自HRESULT：0x800AC472





请帮帮我



我的代码在这里





Microsoft.Office。 Interop.Excel._Application app = new Microsoft.Office.Interop.Excel.Application（）;







Microsoft.Office.Interop.Excel._Workbook workbook = app.Workbooks.Add（Type.Missing）;

hi I want to export datagridview data to excel but after 1198 records it is showing the error Exception from HRESULT: 0x800AC472


please help me

my code here


Microsoft.Office.Interop.Excel._Application app = new Microsoft.Office.Interop.Excel.Application();



Microsoft.Office.Interop.Excel._Workbook workbook = app.Workbooks.Add(Type.Missing);

// creating new Excelsheet in workbook
            Microsoft.Office.Interop.Excel._Worksheet worksheet = null;

            // see the excel sheet behind the program
            app.Visible = true;

            // get the reference of first sheet. By default its name is Sheet1.
            // store its reference to worksheet
            worksheet = workbook.Sheets["Sheet1"];
            worksheet = workbook.ActiveSheet;

            // changing the name of active sheet
            worksheet.Name = "Exported from gridview";


            // storing header part in Excel
            for (int i = 1; i < dataGridView1.Columns.Count + 1; i++)
            {
                worksheet.Cells[1, i] = dataGridView1.Columns[i - 1].HeaderText;
            }



            // storing Each row and column value to excel sheet
            for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
            {
                for (int j = 0; j < dataGridView1.Columns.Count; j++)
                {
                    worksheet.Cells[i + 2, j + 1] = dataGridView1.Rows[i].Cells[j].Value.ToString().Trim();
                }
            }


            // save the application
            Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            workbook.SaveAs(Application.StartupPath + "\\Reports\\" + System.DateTime.Now.ToString("dd-MMM-yy") + ".xls", Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

推荐答案

检查行号中单元格的值。 1198.如果它从 = 或 + 或 - 开始，这就是例外的原因。


看看这里找到将datagridview数据导出到Excel的替代方法：如何使用c＃将数据导出到Excel中[ ^ ]

<将数据从应用程序导出到Excel中的最佳和最快捷的方法是使用ADO.NET（OLEDB）。

使用MS Excel和ADO.NET [ ^ ]

如何使用ADO.NET检索和修改Excel工作簿中的记录使用Visual Basic .NET [ ^ ] - 使用vb .net，但vb.net类似于C＃。

Check the value of cells in row no. 1198. If it starts from = or + or -, this is the reason of exception.

Have a look here to find alternative ways to export datagridview data into Excel: How to export data to Excel using c#[^]

The best and the quickest way to export data from your aplication into Excel is to use ADO.NET (OLEDB).
Work with MS Excel and ADO.NET[^]
How To Use ADO.NET to Retrieve and Modify Records in an Excel Workbook With Visual Basic .NET[^] - uses vb.net, but vb.net is similar to C#.

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