Excel晚期绑定EntireColumn.NumberFormat

如何使用后期绑定设置Range.EntireColumn.NumberFormat？ 我目前有这样的代码：

object rg = ws.GetType().InvokeMember("Cells", BindingFlags.GetProperty, null, ws, new object[2]{1,iCol}); object ec = rg.GetType().InvokeMember("EntireColumn", BindingFlags.GetProperty, null, rg, null); rg.GetType().InvokeMember("NumberFormat", BindingFlags.SetProperty, null, rg, new object[1] { "DD/MM/YYYY" }); 

而且对于AutoFit方法，我有这样的：

 object rng = ws.GetType().InvokeMember("UsedRange", BindingFlags.GetProperty, null, ws, null); object cols = rng.GetType().InvokeMember("Columns", BindingFlags.GetProperty, null, rng, null); cols.GetType().InvokeMember("AutoFit", BindingFlags.InvokeMethod, null, cols, null); 

对于AutoFit im不知道如果我做得很好。

Answer 1

尝试和testing

 private void button1_Click(object sender, EventArgs e) { object xlApp; object xlWbCol; object xlWb; object xlSheet; object xlRange; object xlWsCol; //~~> create new Excel instance Type tp; tp = Type.GetTypeFromProgID("Excel.Application"); xlApp = Activator.CreateInstance(tp); object[] parameter = new object[1]; parameter[0] = true; xlApp.GetType().InvokeMember("Visible", BindingFlags.SetProperty, null, xlApp, parameter); xlApp.GetType().InvokeMember("UserControl", BindingFlags.SetProperty, null, xlApp, parameter); //~~> Get the xlWb collection xlWbCol = xlApp.GetType().InvokeMember("Workbooks", BindingFlags.GetProperty, null, xlApp, null); //~~> Create a new xlWb xlWb = xlWbCol.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, xlWbCol, null); //~~> Get the worksheet collection xlWsCol = xlWb.GetType().InvokeMember("WorkSheets", BindingFlags.GetProperty, null, xlApp, null); //~~> Create a new workxlSheet xlSheet = xlWb.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, xlWsCol, null); //~~> Assign cell to xlRange object xlRange = xlSheet.GetType().InvokeMember("Cells", BindingFlags.GetProperty, null, xlSheet, new object[2] { 1, 1 }); //~~> Write a date to cell xlRange.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, xlRange, new object[] { "1-1-2012" }); //~~> Get the column object cols = xlRange.GetType().InvokeMember("Columns", BindingFlags.GetProperty, null, xlRange, null); //~~> Autofit the column cols.GetType().InvokeMember("AutoFit", BindingFlags.InvokeMethod, null, cols, null); //~~> Format the entire Column cols.GetType().InvokeMember("NumberFormat", BindingFlags.SetProperty, null, cols, new object[1] { "DD/MM/YYYY" }); //~~> Release the object //System.Runtime.InteropServices.Marshal.ReleaseComObject(xlApp); } 

注意 ：添加using System.Reflection; 在顶部

跟进

对于usedrange这个作品

 private void button1_Click(object sender, EventArgs e) { object xlApp; object xlWbCol; object xlWb; object xlSheet; object xlRangeUsdRng; object xlRange; object xlWsCol; //~~> create new Excel instance Type tp; tp = Type.GetTypeFromProgID("Excel.Application"); xlApp = Activator.CreateInstance(tp); object[] parameter = new object[1]; parameter[0] = true; xlApp.GetType().InvokeMember("Visible", BindingFlags.SetProperty, null, xlApp, parameter); xlApp.GetType().InvokeMember("UserControl", BindingFlags.SetProperty, null, xlApp, parameter); //~~> Get the xlWb collection xlWbCol = xlApp.GetType().InvokeMember("Workbooks", BindingFlags.GetProperty, null, xlApp, null); //~~> Create a new xlWb xlWb = xlWbCol.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, xlWbCol, null); //~~> Get the worksheet collection xlWsCol = xlWb.GetType().InvokeMember("WorkSheets", BindingFlags.GetProperty, null, xlApp, null); //~~> Create a new workxlSheet xlSheet = xlWb.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, xlWsCol, null); //~~> Assign cell F5 to xlRange object for testing purpose xlRange = xlSheet.GetType().InvokeMember("Cells", BindingFlags.GetProperty, null, xlSheet, new object[2] {5, 6 }); xlRange.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, xlRange, new object[] { "1-1-2012" }); //~~> Assign UsedRange xlRangeUsdRng = xlSheet.GetType().InvokeMember("UsedRange", BindingFlags.GetProperty, null, xlSheet, null); //~~> Get the Columns object cols = xlRangeUsdRng.GetType().InvokeMember("EntireColumn", BindingFlags.GetProperty, null, xlRangeUsdRng, null); //~~> Autofit cols.GetType().InvokeMember("AutoFit", BindingFlags.InvokeMethod, null, cols, null); }