C#读取execl到datatable，设置execl单元格颜色

    public class OperateExecl    

{      

//读取execl到datatable  

public static DataTable ReadFile(string path)        

{             string strConn="";            

if (Path.GetExtension(path).ToLower().Equals(".xlsx")) //Excel2007            

{                

strConn = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties='Excel 12.0;HDR=YES';";            

}            

else //excel2003            

{                

strConn = "Provider = Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";Extended Properties=Excel 8.0;";            

}            

OleDbConnection conn = new OleDbConnection(strConn);            

conn.Open();            

string strExcel = "";            

OleDbDataAdapter myCommand = null;            

DataSet ds = null;            

DataTable schemaTable = conn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, null);            

string tableName = schemaTable.Rows[0][2].ToString().Trim();            

strExcel = "select * from [" + tableName + "]";            

myCommand = new OleDbDataAdapter(strExcel, strConn);            

ds = new DataSet();            

myCommand.Fill(ds, "table1");            

return ds.Tables[0];        

}

  //设置单元格颜色     

public static void SetColor()        

{            

Microsoft.Office.Interop.Excel.ApplicationClass execlapp = new Microsoft.Office.Interop.Excel.ApplicationClass();             Microsoft.Office.Interop.Excel.Workbook wb = execlapp.Workbooks.Open(@"C:UserszhangshixiaoDesktop数据导入模板(1).xlsx");             Microsoft.Office.Interop.Excel.Worksheet ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Sheets.get_Item(1);             Microsoft.Office.Interop.Excel.Range range = (Microsoft.Office.Interop.Excel.Range)ws.Cells[1, 1];            

range.Interior.Color = Color.FromArgb(255, 0, 0);            

wb.Save();            

wb.Close();        

}    

}