导出数据表为Excel NumberFormat百分比如何删除多余的小数点符号c＃问题
我正在导出一个DataTable到Excel，其中一列是一个计算的百分比。
我在DataGridView中显示表单中的数据，并在代码中格式化该列，以所需的格式显示百分比值，即.99450294将为99.45％。
在导出时，我可以导出到Excel，并且同一列显示相同的值，但是如果结果值是100％，则它显示为100.％在百分号前添加小数位。
如何删除符合导出100％值的项目的小数点符号？
这是我的代码;
using System; using System.Data; using System.Data.SqlClient; using System.Drawing; using System.Globalization; using System.IO; using System.Reflection; using System.Threading; using System.Windows.Forms; using Excel = Microsoft.Office.Interop.Excel; namespace CLStats { public partial class FrmMain : Form { DataTable dt = new DataTable(); public FrmMain() { InitializeComponent(); } private void BtnRunReport_Click(object sender, EventArgs e) { Cursor.Current = Cursors.WaitCursor; int year = (int)NmUDYear.Value ; int month = CbMonth.SelectedIndex+1; SqlConnection conn = new SqlConnection(Globals.ConStatic); SqlDataAdapter dataAdapter = new SqlDataAdapter($"SELECT T1.CODELINE AS Codeline, T1.CODELINELIMITS AS Limits, T1.TYPE AS Type, sum(t1.CONTROLFAILCOUNT) as ControlFailCount, sum(t1.CONTROLSENTCOUNT) as CONTROLSENTCOUNT, sum(t1.INDICATIONCOUNT) as INDICATIONCOUNT, 1 - (sum(t1.CONTROLFAILCOUNT) / (sum(T1.CONTROLSENTCOUNT) * 1.0000)) as SUCCESSRATIO FROM (SELECT tmdsDatabaseStatistics.dbo.tblStatisticsCodeStationMonth.CODELINE, tmdsDatabaseStatic.dbo.tblCodelines.Legacytype as Type, tmdsDatabaseStatic.dbo.tblCodelines.CodeLineLimits, tmdsDatabaseStatistics.dbo.tblStatisticsCodeStationMonth.CONTROLFAILCOUNT, tmdsDatabaseStatistics.dbo.tblStatisticsCodeStationMonth.CONTROLSENTCOUNT, tmdsDatabaseStatistics.dbo.tblStatisticsCodeStationMonth.INDICATIONCOUNT FROM tmdsDatabaseStatistics.dbo.tblStatisticsCodeStationMonth INNER JOIN tmdsDatabaseStatic.dbo.tblCodeLines ON tmdsDatabaseStatistics.dbo.tblStatisticsCodeStationMonth.codeline = tmdsDatabaseStatic.dbo.tblCodeLines.CodelineNumber WHERE month = {month} AND codeline <> 415 AND year ={year} AND CONTROLSENTCOUNT <> 0) AS T1 GROUP BY T1.CODELINE , T1.TYPE, T1.CODELINELIMITS ORDER BY TYPE, CONTROLFAILCOUNT DESC, CODELINE DESC", Globals.ConStatic); conn.Open(); dataAdapter.Fill(dt); conn.Close(); Dg.DataSource = dt; Dg.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells; Dg.CellFormatting += new DataGridViewCellFormattingEventHandler(Dg_CellFormatting); Cursor.Current = Cursors.Default; } void Dg_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e) { if (e.ColumnIndex == 6 && e.RowIndex != Dg.NewRowIndex) { e.CellStyle.Format = "P2"; } } private void BtnSaveReport_Click(object sender, EventArgs e) { Cursor.Current = Cursors.WaitCursor; Excel.Application xlApp; CultureInfo CurrentCI = Thread.CurrentThread.CurrentCulture; Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US"); Excel.Workbook xlWorkBook; Excel.Worksheet xlWorkSheet; Excel.Range range; object misValue = Missing.Value; xlApp = new Excel.Application { DisplayAlerts = false }; xlWorkBook = xlApp.Workbooks.Add(misValue); xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1); xlWorkSheet.Name = "Control Failures Report"; for (var b = 0; b < dt.Columns.Count; b++) { xlWorkSheet.Cells[1, b + 1] = dt.Columns[b].ColumnName; range = xlWorkSheet.Cells[1, b + 1]; range.Interior.ColorIndex = 15; range.Font.Bold = true; range[2, 7].EntireColumn.NumberFormat = "#.####%"; } for (var r = 0; r < dt.Rows.Count; r++) { for (var a = 0; a < dt.Columns.Count; a++) { xlWorkSheet.Cells[r + 2, a + 1] = dt.Rows[r][a].ToString(); } } Excel.Range columns = xlWorkSheet.UsedRange.Columns; columns.AutoFit(); xlWorkSheet.Rows[1].Insert(); Excel.Range newRow = xlWorkSheet.Rows[1]; Excel.Range newCell = newRow.Cells[1]; newCell.Value = DateTime.Now.ToString("dd/MM/yyyy"); xlWorkBook.SaveAs("ControlFailuresAuto.xlsx", Excel.XlFileFormat.xlOpenXMLWorkbook, misValue, misValue, false, false, Excel.XlSaveAsAccessMode.xlNoChange, Excel.XlSaveConflictResolution.xlUserResolution, true , misValue, misValue, misValue); xlWorkBook.Close(true, misValue, misValue); xlApp.Quit(); ReleaseObject(xlWorkSheet); ReleaseObject(xlWorkBook); ReleaseObject(xlApp); MessageBox.Show("Report created, you can find the file Documents\\ControlFailuresAuto.xlsx"); Cursor.Current = Cursors.Default; } private void ReleaseObject(object obj) { try { System.Runtime.InteropServices.Marshal.ReleaseComObject(obj); obj = null; } catch (Exception ex) { obj = null; MessageBox.Show("Exception Occured while releasing object " + ex.ToString()); } finally { GC.Collect(); } } private void Form1_Load(object sender, EventArgs e) { CbMonth.SelectedIndex = 0; } } 谢谢
尝试将数字格式更改为＃.00％，如果您希望100％不带小数的条件有数字格式为＃％