Excel数据导入sql数据库(二)

excel导入数据库第二种方法

protected void BuploadStudent()

{

SqlConnection sqlConnection1 = null;

//if (openFileDialog.ShowDialog() == DialogResult.OK)

// {

//string filePath = openFileDialog.FileName;

sqlConnection1 = new SqlConnection();

sqlConnection1.ConnectionString = ConfigurationManager.ConnectionStrings["ThesisConnectionString"].ConnectionString;

string filePath = this.FImportStudent.TemplateSourceDirectory;

string connExcel = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + "E://a.xls" + ";Extended Properties=Excel 8.0";

try

    {

OleDbConnection oleDbConnection = new OleDbConnection(connExcel);

oleDbConnection.Open();

//ｻ｡excelｱ・

DataTable dataTable = oleDbConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);

//ｻ｡sheetﾃ訒ｬﾆ葷ﾐ[0][1]...
: ｰｴﾃ﨤ﾆﾅﾅﾁﾐｵﾄｱ昉･ﾔｪﾋﾘ

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

tableName = "[" + tableName.Replace("'", "") + "]";

//ﾀ﨧ﾃSQLﾓ・莇ﾓExcelﾎﾄｼﾀ・｡ﾊｾﾝ

//string query = "SELECT classDate,classPlace,classTeacher,classTitle,classID FROM " + tableName;

string query = "SELECT ID,Name FROM " + tableName;

DataSet dataSet = new DataSet();

//OleDbCommand oleCommand = new OleDbCommand(query, oleDbConnection);

//OleDbDataAdapter oleAdapter = new OleDbDataAdapter(oleCommand);

OleDbDataAdapter oleAdapter = new OleDbDataAdapter(query, connExcel);

oleAdapter.Fill(dataSet, "gch_Class_Info");

//dataGrid1.DataSource = dataSet;

//dataGrid1.DataMember = tableName;

//dataGrid1.SetDataBinding(dataSet, "gch_Class_Info");

//ｴﾓexcelﾎﾄｼｻﾃﾊｾﾝｺｬｲ衒・ﾇﾂｼｵｽSQL Serverｵﾄﾊｾﾝｱ・

DataTable dataTable1 = new DataTable();

SqlDataAdapter sqlDA1 = new SqlDataAdapter(@"SELECT ID, Name  FROM test1", sqlConnection1);

SqlCommandBuilder sqlCB1 = new SqlCommandBuilder(sqlDA1);

sqlDA1.Fill(dataTable1);

foreach (DataRow dataRow in dataSet.Tables["gch_Class_Info"].Rows)

{

DataRow dataRow1 = dataTable1.NewRow();

dataRow1["ID"] = dataRow["ID"];

dataRow1["Name"] = dataRow["Name"];

dataTable1.Rows.Add(dataRow1);

}

Console.WriteLine("ﾐﾂｲ衒・" + dataTable1.Rows.Count.ToString() + " ﾌﾇﾂｼ");

sqlDA1.Update(dataTable1);

oleDbConnection.Close();

}

catch (Exception ex)

    {

Console.WriteLine(ex.ToString());

}

}