本来想把导入数据库后的数据通过gridview控件全部显示到界面,因为一旦进入页面所有控件的已经初始化好了,所以必须使用刷新数据源或用代码实现不用控件来绑定数据源,某位实现了这个功能可以发表下自己的意见
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Data;using System.Collections;using System.Windows.Forms;using System.Data.OleDb;using System.Data.Common;using System.Data.SqlClient;public partial class Excel导入_Default : System.Web.UI.Page{ private static string filename; private static string savePath; private static DataSet ds; //要插入的数据 private static DataTable dt; protected void Page_Load(object sender, EventArgs e) { } //上传文件到指定的服务器 protected void Button1_Click1(object sender, EventArgs e) { filename = this.fileUploadExcel.FileName; //savePath必须包含表名在内的所有路径名 savePath = @"G:\项目组文件\项目.net学习资料\工程\Health\Excel导入\Files\" + this.fileUploadExcel.FileName; //上传服务器文件的存储,存在当前新建的文件夹 this.fileUploadExcel.SaveAs(savePath); Boolean judge_excel = Judge_Excel(); if (!judge_excel) { MessageBox.Show("上传的不是excel文件", "标题", MessageBoxButtons.OKCancel, MessageBoxIcon.Error); return; } else MessageBox.Show("上传文件成功", "标题", MessageBoxButtons.OKCancel, MessageBoxIcon.Information); //测试,将excel中的sheet1导入到sqlserver中 //string connString = "server=localhost;uid=sa;pwd=sqlgis;database=master"; //System.Windows.Forms.OpenFileDialog fd = new OpenFileDialog(); //if (fd.ShowDialog() == DialogResult.OK) //{ // //TransferData(fd.FileName, "sheet1", connString); //} } //判断文件是否是excel文件函数 protected Boolean Judge_Excel() { string fileExtend = System.IO.Path.GetExtension(this.fileUploadExcel.FileName); if (fileExtend == ".xlsx" || fileExtend == ".xls") return true; else return false; } //获取excel数据按钮的触发, protected void Button2_Click(object sender, EventArgs e) { ExcelToDataSet(); MessageBox.Show("获取数据成功", "标题", MessageBoxButtons.OKCancel, MessageBoxIcon.Information); } //从excel表中获取数据的函数 public void ExcelToDataSet() { string strConn = "Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = " + savePath + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=1\""; OleDbConnection conn = new OleDbConnection(strConn); //连接excel if (conn.State.ToString() == "Open") { conn.Close(); } conn.Open(); //外部表不是预期格式,不兼容2010的excel表结构 string s = conn.State.ToString(); OleDbDataAdapter myCommand = null; ds = null; /*DataTable yTable = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new Object[] { null, null, null, "TABLE" });//获取表的框架,几行几列 string tableName = yTable.Rows[0]["filename"].ToString(); //表示的是几行几列 string strSel = "select * from [" + filename + "]";//xls */ string strExcel = "select * from [sheet1$]"; //如果有多个sheet表时可以选择是第几张sheet表 myCommand = new OleDbDataAdapter(strExcel, conn);//用strExcel初始化myCommand,查看myCommand里面的表的数据?? ds = new DataSet(); myCommand.Fill(ds); //把表中的数据存放在ds(dataSet) conn.Close(); try { dt = ds.Tables[0]; this.dataGridView1.DataSource = dt; } catch (Exception err) { MessageBox.Show("操作失败!" + err.ToString()); } } //excel导入数据库sql的按钮触发 protected void Button3_Click(object sender, EventArgs e) { //string path = @"D:\数据库SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\DATA\Test.mdf"; string connString = "server=localhost;uid=sa;pwd=1234;database=Test"; //连接数据库的路径方法 //String connString=@"server=localhost;uid=sa;pwd=1234;database=D:\数据库SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\DATA\Test.mdf"; SqlConnection conn = new SqlConnection(connString); conn.Open(); DataRow dr = null; int C_Count = dt.Columns.Count;//获取列数 for (int i = 0; i < dt.Rows.Count; i++) //记录表中的行数,循环插入 { dr = dt.Rows[i]; insertToSql(dr, C_Count, conn); } conn.Close(); if (dataGridView1.Rows.Count > 0) //把数据库表中的数据显示到表中,可判断有没有数据 { MessageBox.Show("导入成功!"); } else { MessageBox.Show("没有数据!"); } } //使用bcp,不容易出错而且效率高 /*try { using (System.Data.SqlClient.SqlBulkCopy bcp = new System.Data.SqlClient.SqlBulkCopy(connString)) { bcp.SqlRowsCopied += new System.Data.SqlClient.SqlRowsCopiedEventHandler(bcp_SqlRowsCopied); bcp.BatchSize = 100;//每次传输的行数 bcp.NotifyAfter = 100;//进度提示的行数 bcp.DestinationTableName = savePath;//目标表 bcp.WriteToServer(ds.Tables[0]); } } catch { System.Windows.Forms.MessageBox.Show(ex.Message); }*/ //插入数据库的函数 protected void insertToSql(DataRow dr, int column_count, SqlConnection conn) { //excel表中的列名和数据库中的列名一定要对应 string name = dr[0].ToString();//需要把内个列都列出来 string age = dr[1].ToString(); string sex = dr[2].ToString(); //当数据库中有多个表时,怎么分辨插入的表 string sql = "insert into 客户 values('" + name + "','" + age + "','" + sex + "')"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.ExecuteNonQuery(); } //从excel表中获取数据并存在 // protected void ImportFromExcel() // { // string execelConnectionStr = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=filename; // Extended Properties=""Excel 8.0;HDR=YES;IMEX=1\""";//表第一行是标题,不做为数据使用, Excel 档案只能用来做“读取”用途。 // ds = new DataSet(); // string connString = "Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = " // + savePath + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=1\""; // DataTable table = OleDbHelper.GetExcelTables(connString); // if (table == null || table.Rows.Count <= 0) // { // return; // } // foreach (DataRow dr in table.Rows) // { // string cmdText = "select * from [" + dr["TABLE_NAME"].ToString() + "]"; // DataTable dt = OleDbHelper.FillDataTable(connString, cmdText); // dt.TableName = dr["TABLE_NAME"].ToString(); // ds.Tables.Add(dt); // } // }}