在WEB项目开发过程中有时会碰到批量插入数据到数或者是将EXCEL文件据入到数据库中.为了方便实现可以先将EXCEL导入到GRIDVIEW中然后一次批量插入.实现代码如下:

前台代码

后台代码:

//首先在命名空间中加入以下两行

using System.Data.SqlClient;

using System.Data.OleDb;

protected void btn2_Click(object sender, EventArgs e)

{

string filepath = FileUpload1.PostedFile.FileName;

ReadExcel(filepath, dgBom);

}

public void ReadExcel(string sExcelFile, GridView dgBom)

{

DataTable ExcelTable;

DataSet ds = new DataSet();

//Excel的连接

OleDbConnection objConn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + sExcelFile + ";" + "Extended Properties=Excel 8.0;");

objConn.Open();

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

string tableName = schemaTable.Rows[0][2].ToString().Trim();//获取 Excel 的表名，默认值是sheet1

string strSql = "select * from [" + tableName + "]";

OleDbCommand objCmd = new OleDbCommand(strSql, objConn);

OleDbDataAdapter myData = new OleDbDataAdapter(strSql, objConn);

myData.Fill(ds, tableName);//填充数据

dgBom.DataSource =ds;

dgBom.DataBind();

objConn.Close();

ExcelTable = ds.Tables[tableName];

int iColums = ExcelTable.Columns.Count;//列数

int iRows = ExcelTable.Rows.Count;//行数

//定义二维数组存储 Excel 表中读取的数据

string[,] storedata = new string[iRows, iColums];

for(int i=0;i

for (int j = 0; j < ExcelTable.Columns.Count; j++)

{

//将Excel表中的数据存储到数组

storedata[i, j] = ExcelTable.Rows[i][j].ToString();

}

int excelBom = 0;//记录表中有用信息的行数，有用信息是指除去表的标题和表的栏目，本例中表的用用信息是从第三行开始

//确定有用的行数

for (int k = 2; k < ExcelTable.Rows.Count; k++)

if (storedata[k, 1] != "")

excelBom++;

if (excelBom == 0)

{

Response.Write("");

}

else

{

//LoadDataToDataBase(storedata，excelBom)//该函数主要负责将 storedata 中有用的数据写入到数据库中，在此不是问题的关键省略

}

}

protected void btninsert_Click(object sender, EventArgs e)

{

foreach (GridViewRow gv in dgBom.Rows)

{

//我的连接字符串是写在WEB.CONFIG中的.

string con = System.Configuration.ConfigurationManager.AppSettings["ConnectionString1"].ToString();

SqlConnection conn = new SqlConnection(con);

SqlCommand cmd = conn.CreateCommand();

cmd.CommandType = CommandType.Text;

cmd.CommandText = "insert into student (studentnumber,studentname) values(@studentnumber,@studentname)";

cmd.Parameters.Add("@studentnumber", SqlDbType.NVarChar, 20);

cmd.Parameters.Add("@studentname", SqlDbType.NVarChar, 10);

cmd.Parameters["@studentname"].Value = ((TextBox)gv.FindControl("studentname")).Text;

cmd.Parameters["@studentnumber"].Value = ((TextBox)gv.FindControl("studentnumber")).Text;

try

{

conn.Open();

cmd.ExecuteNonQuery();

conn.Close();

}

finally

{

if (conn != null)

conn.Dispose();

}

}

}

以上内容就是本文的全部叙述，希望对大家学习C#.NET中如何批量插入大量数据到数据库中有所帮助。