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将Excel中数据导入到Access数据库中的方法

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将Excel中数据导入到Access数据库中的方法

Default.aspx 。

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复制代码代码如下:

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %> 。

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 。

<html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server">     <title>无标题页</title>     <style type="text/css"> 。

        .style1         {             height: 16px;         }         .style3         {             height: 23px;         }     </style> </head> <body>     <form id="form1" runat="server"> 。

    <div>     </div>     <table align="center" border="1" bordercolor="honeydew" cellpadding="0"          cellspacing="0">         <tr>             <td style="FONT-SIZE: 9pt; COLOR: #ff0000; BACKGROUND-COLOR: #ff9933; TEXT-ALIGN: center"                  class="style1">             </td>             <td colspan="2"                  style="FONT-SIZE: 9pt; COLOR: #ffffff; HEIGHT: 16px; BACKGROUND-COLOR: #ff9933; TEXT-ALIGN: center">                 将Excel数据写入Access数据库中</td>         </tr>         <tr>             <td style="BACKGROUND-COLOR: #ffffcc; TEXT-ALIGN: center">             </td>             <td style="BACKGROUND-COLOR: #ffffcc; TEXT-ALIGN: center">                 <iframe id="I1" name="I1" scrolling="yes" src="学生成绩.xls"                      style="WIDTH: 407px; HEIGHT: 280px"></iframe>             </td>             <td style="WIDTH: 190px; BACKGROUND-COLOR: #ffffcc; TEXT-ALIGN: center">                 <asp:GridView ID="GridView1" runat="server" CellPadding="4" Font-Size="9pt"                      ForeColor="#333333" GridLines="None" Width="228px">                     <FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />                     <RowStyle BackColor="#FFFBD6" ForeColor="#333333" />                     <SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />                     <PagerStyle BackColor="#FFCC66" ForeColor="#333333" HorizontalAlign="Center" />                     <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />                     <AlternatingRowStyle BackColor="White" />                 </asp:GridView>             </td>         </tr>         <tr>             <td style="BACKGROUND-COLOR: #ff9900; TEXT-ALIGN: center" class="style3">             </td>             <td style="HEIGHT: 23px; BACKGROUND-COLOR: #ff9900; TEXT-ALIGN: center"                  valign="top">                 <asp:Button ID="Button3" runat="server" Font-Size="9pt" onclick="Button1_Click"                      Text="Excel数据写入Access数据库中" />     <asp:Label ID="Label1" runat="server" Text="Label" Visible="False"                      style="font-size: x-small"></asp:Label>             </td>             <td style="WIDTH: 190px; HEIGHT: 23px; BACKGROUND-COLOR: #ff9900; TEXT-ALIGN: center">                 <asp:Button ID="Button2" runat="server" Font-Size="9pt" onclick="Button2_Click"                      Text="数据库中显示Excel数据" />             </td>         </tr>         <tr>             <td>                  </td>         </tr>     </table>     </form> </body> </html> 。

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Default.aspx.cs 。

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复制代码代码如下:

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using System; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq,

using System.Data.OleDb,

public partial class _Default : System.Web.UI.Page {     protected void Page_Load(object sender, EventArgs e)     { 。

    }     public OleDbConnection CreateCon()     {         string strconn = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=" + Server.MapPath("UserScore.mdb") + ";User Id=admin;Password=;";         OleDbConnection odbc = new OleDbConnection(strconn);         return odbc;     }     protected void Button1_Click(object sender, EventArgs e)     {         //定义Excel列表         string StyleSheet = "Sheet1";         //调用自定义LoadData方法,将Excel文件中数据读到ASPNET页面中         LoadData(StyleSheet);         //定义查询的SQL语句         string sql = "select ID,用户姓名,试卷,成绩,考试时间 from Score";         //创建Oledb数据库连接         OleDbConnection con = CreateCon();         con.Open();//打开数据库连接         OleDbCommand com = new OleDbCommand(sql, con);         //开始事务         OleDbTransaction tran = con.BeginTransaction();         com.Transaction = tran;         //创建适配器         OleDbDataAdapter da = new OleDbDataAdapter(com);         OleDbCommandBuilder cb = new OleDbCommandBuilder(da);         //创建DataSet数据集         DataSet ds = new DataSet();         //填充数据集         da.Fill(ds);         int curIndex = 0;         if (ds.Tables[0].Rows.Count > 0)         {             curIndex = Convert.ToInt32(ds.Tables[0].Rows[0][0]);         }         //创建一个内存表         DataTable tb = this.getExcelDate();         string selsql = "";         for (int i = 0; i < tb.Rows.Count; i++)         {             string UserName = tb.Rows[i][0].ToString();             selsql = "select count(*) from Score where 用户姓名='" + UserName + "'";         }         //判断Excel文件中是否已经导入到Access数据库中         if (ExScalar(selsql) > 0)         {             Label1.Visible = true;             Label1.Text = "<script language=javascript>alert('该Excle中的数据已经导入数据库中!');location='Default.aspx';</script>";         }         else         {             //循环读取Excel文件中数据,并添加到Access事先创建好的数据库表中             for (int i = 0; i < tb.Rows.Count; i++)             {                 DataRow dr = ds.Tables[0].NewRow();                 dr[0] = ++curIndex;                 dr[1] = tb.Rows[i][0];                 dr[2] = tb.Rows[i][1];                 dr[3] = tb.Rows[i][2];                 dr[4] = tb.Rows[i][3];                 ds.Tables[0].Rows.Add(dr);             }             try             {                 da.Update(ds);//执行插入操作                 tran.Commit();//事务提交                 Label1.Visible = true;                 Label1.Text = "<script language=javascript>alert('数据导入成功!');location='Default.aspx';</script>";             }             catch             {                 tran.Rollback();//事务回滚                 Label1.Visible = true;                 Label1.Text = "<script language=javascript>alert('数据导入失败!');location='Default.aspx';</script>";             }             finally             {                 con.Close();//关闭数据库连接             }         }     }     protected void Button2_Click(object sender, EventArgs e)     {         string sqlstr = "select * from Score";         OleDbConnection conn = CreateCon();         conn.Open();         OleDbCommand mycom = new OleDbCommand(sqlstr, conn);         OleDbDataReader dr = mycom.ExecuteReader();         dr.Read();         if (dr.HasRows)         {             GetDataSet(sqlstr);         }         else         {             Label1.Visible = true;             Label1.Text = "<script language=javascript>alert('数据库中没有数据信息,请先导入再查询!');location='Default.aspx';</script>";         }         dr.Close();         conn.Close();     }     public DataSet GetDataSet(string sqlstr)     {         OleDbConnection conn = CreateCon();         OleDbDataAdapter myda = new OleDbDataAdapter(sqlstr, conn);         DataSet ds = new DataSet();         myda.Fill(ds);         GridView1.DataSource = ds;         GridView1.DataBind();         return ds;     }     public DataTable getExcelDate()     {         string strExcelFileName = Server.MapPath("学生成绩.xls");         string strcon = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + strExcelFileName + ";" + "Extended Properties='Excel 8.0;HDR=YES;IMEX=1';";         string sql = "select * from [Sheet1$]";         OleDbDataAdapter da = new OleDbDataAdapter(sql, strcon);         DataSet ds = new DataSet();         da.Fill(ds);         return ds.Tables[0];     }     public void LoadData(string StyleSheet)     {         //定义数据库连接字符串 m         string strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source =" + Server.MapPath("学生成绩.xls") + ";Extended Properties=Excel 8.0";         //创建数据库连接         OleDbConnection myConn = new OleDbConnection(strCon);         //打开数据链接,得到一个数据集          myConn.Open();         //创建DataSet对象            DataSet myDataSet = new DataSet();         //定义查询的SQL语句         string StrSql = "select   *   from   [" + StyleSheet + "$]";         //创建数据库适配器         OleDbDataAdapter myCommand = new OleDbDataAdapter(StrSql, myConn);         //填充数据集中的数据         myCommand.Fill(myDataSet, "[" + StyleSheet + "$]");         //释放占有的资源         myCommand.Dispose();         //关闭数据库连接         myConn.Close();     }     public int ExScalar(string sql)     {         OleDbConnection conn = CreateCon();         conn.Open();         OleDbCommand com = new OleDbCommand(sql, conn);         return Convert.ToInt32(com.ExecuteScalar());         conn.Close();     } } 。

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