C#操纵数据表格EXCEL.rar

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  • 2005-09-07 01:17
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用Excel.dll使用Excel的各种操作函数。
C#操纵数据表格EXCEL.rar
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C#操作Excel  作者: 点击数: 1   [ 2003-03-14 ] 首先的一步就是使用Tlbimp这个工具将Excel9.0的对象库文件Excel8.olb转换成为dll,这样才能做为.Net平台Assembly来使用:)操作如下: TlbImp Excel9.olb Excel.dll 只要有了这个Excel.dll,现在我们就能使用Excel的各种操作函数了。 下面就让我们具体看看C#是如何使用这些东东吧。 1. 创建一个新Excel的Application: Application exc = new Application(); if (exc == null) { Console.WriteLine("ERROR: EXCEL couldn"t be started"); return 0; } 2. 让这个工程可见: exc.set_Visible(0, true); 3. 获取WorkBooks集合: Workbooks workbooks = exc.Workbooks; 4. 加入新的WorkBook: _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet, 0); 5. 获取WorkSheets集合: _Worksheet worksheet = (_Worksheet) sheets.get_Item(1); if (worksheet == null) { Console.WriteLine ("ERROR in worksheet == null"); } 6. 给单元格设置变量: Range range1 = worksheet.get_Range("C1", Missing.Value); if (range1 == null) { Console.WriteLine ("ERROR: range == null"); } const int nCells = 1; Object[] args1 = new Object[1]; args1[0] = nCells; range1.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, range1, args1); 例程: using System; using System.Reflection; using System.Runtime.InteropServices; using Excel; class Excel { public static int Main() { Application exc = new Application(); if (exc == null) { Console.WriteLine("ERROR: EXCEL couldn"t be started!"); return 0; } exc.set_Visible(0, true); Workbooks workbooks = exc.Workbooks; _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet, 0); Sheets sheets = workbook.Worksheets; _Worksheet worksheet = (_Worksheet) sheets.get_Item(1); if (worksheet == null) { Console.WriteLine ("ERROR: worksheet == null"); } Range range1 = worksheet.get_Range("C1", Missing.Value); if (range1 == null) { Console.WriteLine ("ERROR: range == null"); } const int nCells = 1; Object[] args1 = new Object[1]; args1[0] = nCells; range1.GetType().InvokeMember("Value", BindingFlags.SetProperty, null,range1, args1); return 100; } } 现在我们来看看如何使用数组,他有些类似于设置单元格。仅仅需要的改变只是args2[0] = array2; const int nCell = 5; Range range2 = worksheet.get_Range("A1", "E1"); int[] array2 = new int [nCell]; for (int i=0; i < array2.GetLength(0); i++) { array2[i] = i+1; } Object[] args2 = new Object[1]; args2[0] = array2; range2.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, range2, args2);
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