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  • .NET C#读取Excel内容

    1,Excel 需是.xls 格式
    2,添加引用Microsoft.Office.Interop.Excel.dll

    using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using System.Data.OleDb; using Excel = Microsoft.Office.Interop.Excel; using System.Diagnostics; namespace ReadExcel { class Program { static void Main(string[] args) { string fileName = @"D:\TransferPlant\111.xls"; DataTable dt = ExcelToDataSet(fileName); if (dt.Rows.Count > 0) { for (int i = 0; i < dt.Rows.Count; i++) { Console.WriteLine(dt.Rows[i][0].ToString()); } } } static public DataTable ExcelToDataSet(string filename) { string strCon = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = "+filename+";Extended Properties=Excel 8.0"; OleDbConnection conn = new OleDbConnection(strCon); conn.Open(); //返回Excel的架构,包括各个sheet表的名称,类型,创建时间和修改时间等  DataTable dtSheetName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "Table" }); //包含excel中表名的字符串数组 string[] strTableNames = new string[dtSheetName.Rows.Count]; for (int k = 0; k < dtSheetName.Rows.Count; k++) { strTableNames[k] = dtSheetName.Rows[k]["TABLE_NAME"].ToString(); } OleDbDataAdapter myCommand = null; DataTable dt = new DataTable(); //从指定的表明查询数据,可先把所有表明列出来供用户选择 string strExcel = "select * from [" + strTableNames[0] + "]"; myCommand = new OleDbDataAdapter(strExcel, strCon); myCommand.Fill(dt); return dt; } } }

      

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  • 原文地址:https://www.cnblogs.com/siri/p/2722868.html
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