c# 32位机和64位机 读取Excel内容到DataSet

----------------------32位机

//注释说明

//ExclePath 为Excel路径 批号 是指Excel文件中某一列必填项

public static DataSet GetDataTableForExcel(String ExclePath)

{

string strCon = String.Empty;

strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExclePath + "; Extended Properties='Excel 8.0;IMEX=1';";

OleDbConnection olecon = new OleDbConnection(strCon);

olecon.Open();

DataTable dt = olecon.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);

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

OleDbDataAdapter myda = new OleDbDataAdapter("SELECT * FROM [" + tableName + "] Where 批号 is not null", strCon);// Where 条件根据实际情况进行更改

DataSet myds = new DataSet();

try

{

myda.Fill(myds);

}

catch { myds = null;}

olecon.Close();

return myds;

}

-----------------------------64位机

/// <summary>

/// 把Excel里的数据转换为DataTable,应用引用的com组件：Microsoft.Office.Interop.Excel.dll 读取EXCEL文件

/// </summary>

/// <param name="filenameurl">物理路径</param>

/// <param name="sheetIndex">sheet名称的索引</param>

/// <param name="splitstr">如果是已存在列，则自定义添加的字符串</param>

/// <returns></returns>

public static DataTable ExecleToDataSet(string filenameurl, int sheetIndex, string splitstr)

{

//

Microsoft.Office.Interop.Excel.Workbook wb = null;

Microsoft.Office.Interop.Excel.Worksheet ws =null;

bool isEqual = false;//不相等

ArrayList columnArr = new ArrayList();//列字段表

DataSet myDs = new DataSet();

DataTable xlsTable = myDs.Tables.Add("show");

object missing = System.Reflection.Missing.Value;

Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();//lauch excel application

if (excel != null)

{

excel.Visible = false;

excel.UserControl = true;

// 以只读的形式打开EXCEL文件

wb = excel.Workbooks.Open(filenameurl, missing, true, missing, missing, missing,

missing, missing, missing, true, missing, missing, missing, missing, missing);

//取得第一个工作薄

ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets.get_Item(sheetIndex);

//取得总记录行数(包括标题列)

int rowsint = ws.UsedRange.Cells.Rows.Count; //得到行数

int columnsint = ws.UsedRange.Cells.Columns.Count;//得到列数

DataRow dr;

for (int i = 1; i <= columnsint; i++)

{

//判断是否有列相同

if (i >= 2)

{

int r = 0;

for (int k = 1; k <= i - 1; k++)//列从第一列到第i-1列遍历进行比较

{

if (((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString() == ((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, k]).Text.ToString())

{

//如果该列的值等于前面列中某一列的值

xlsTable.Columns.Add(((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString() + splitstr + (r + 1).ToString(), typeof(string));

columnArr.Add(((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString() + splitstr + (r + 1).ToString());

isEqual = true;

r++;

break;

}

else

{

isEqual = false;

continue;

}

}

if (!isEqual)

{

xlsTable.Columns.Add(((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString(), typeof(string));

columnArr.Add(((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString());

}

}

else

{

xlsTable.Columns.Add(((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString(), typeof(string));

columnArr.Add(((Microsoft.Office.Interop.Excel.Range)ws.Cells[1, i]).Text.ToString());

}

}

for (int i = 2; i <= rowsint; i++)

{

dr = xlsTable.NewRow();

for (int j = 1; j <= columnsint; j++)

{

dr[columnArr[j - 1].ToString()] = ((Microsoft.Office.Interop.Excel.Range)ws.Cells[i, j]).Text.ToString();

}

xlsTable.Rows.Add(dr);

}

}

excel.Quit();

excel = null;

Dispose(ws,wb);

return xlsTable;

}