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上传时间: 2010-03-09
详细说明： c# DBF数据库导入导出实例 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Data.Odbc; using System.Data.SqlClient; namespace DbfExample { public partial class Form1 : Form { System.Data.Odbc.OdbcConnection conn; public Form1() { InitializeComponent(); } //导出数据 private void btnOut_Click(object sender, EventArgs e) { string con nect = "Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=c:\\; "; OdbcConnection myconn = new OdbcConnection(connect); string sqlt ="CREATE TABLE aa.DBF (cc int(10))"; myconn.Open(); OdbcCommand olec = new OdbcCommand(sqlt, myconn); try { int i = olec.ExecuteNonQuery(); MessageBox.Show("'" + i + "'success"); } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { olec.Dispose(); myconn.Close(); } //string ole_connstring = @"Provider=microsoft.jet.oledb.5.0;Data Source=D:\;"; //System.Data.OleDb.OleDbConnection ole_conn = new System.Data.OleDb.OleDbConnection(ole_connstring); //try //{ // ole_conn.Open(); // System.Data.OleDb.OleDbCommand cmd1 = new System.Data.OleDb.OleDbCommand // ("Create Table TestTable (Field1 int, Field2 char(10),Field float(10,2))", // ole_conn); // System.Data.OleDb.OleDbCommand cmd2 = new System.Data.OleDb.OleDbCommand // ("Insert Into TestTable values (1,'Hello3',520.20)", ole_conn); // System.Data.OleDb.OleDbCommand cmd3 = new System.Data.OleDb.OleDbCommand // ("Insert Into TestTable values (2,'Hello4',18076.60)", ole_conn); // cmd1.ExecuteNonQuery(); // cmd2.ExecuteNonQuery(); // cmd3.ExecuteNonQuery(); //} //catch (Exception ex) //{ // MessageBox.Show(ex.Message); //} //finally //{ // ole_conn.Close(); //} } //导入数据 private void btnIn_Click(object sender, EventArgs e) { } private void Form1_Load(object sender, EventArgs e) { Bind(); } private void Bind() { try { conn = new System.Data.Odbc.OdbcConnection(); string table = @"C:\测试例子\Dbf\prepur.dbf"; string connStr = @"Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=" + table + ";Exclusive=No;NULL=NO;Collate=Machine;BACKGROUNDFETCH=NO;DELETED=NO"; conn.ConnectionString = connStr; conn.Open(); string sql = @"select * from " + table; OdbcDataAdapter da = new OdbcDataAdapter(sql, conn); DataTable dt = new DataTable(); da.Fill(dt); this.dataGridView1.DataSource = dt.DefaultView; //MessageBox.Show(dt.Rows[0][0].ToString()); } catch { } finally { conn.Close(); } } private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { try { conn = new System.Data.Odbc.OdbcConnection(); string table = @"C:\测试例子\Dbf\table1.dbf"; string connStr = @"Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=" + table + ";Exclusive=No;NULL=NO;Collate=Machine;BACKGROUNDFETCH=NO;DELETED=NO"; conn.ConnectionString = connStr; conn.Open(); string id = dataGridView1.Rows[e.RowIndex].Cells[0].Value.ToString(); string sql = @"select * from " + table + " where id='" + id + "'"; OdbcDataAdapter da = new OdbcDataAdapter(sql, conn); DataTable dt = new DataTable(); da.Fill(dt); txtId.Text = id; txtName.Text = dt.Rows[0]["name"].ToString(); txtAddress.Text = dt.Rows[0]["address"].ToString(); } catch { } finally { conn.Close(); } } private void Add() { conn = new System.Data.Odbc.OdbcConnection(); string table = @"C:\temp\Dbf\table1.dbf"; string connStr = @"Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=" + table + ";Exclusive=No;NULL=NO;Collate=Machine;BACKGROUNDFETCH=NO;DELETED=NO"; conn.ConnectionString = connStr; conn.Open(); OdbcCommand cmd = new OdbcCommand(); cmd.Connection = conn; string sql = "insert into " + table + " values('" + txtId.Text + "','" + txtName.Text + "','" + txtAddress.Text + "')"; cmd.CommandText = sql; cmd.CommandType = CommandType.Text; cmd.ExecuteNonQuery(); Bind(); } private void btnTOSQL_Click(object sender, EventArgs e) { try { string sql = "Insert Into dbftosql select * From openrowset('MSDASQL','Driver=Microsoft Visual FoxPro Driver;SourceType=DBF;SourceDB=C:\\temp\\Dbf','select * from table1.dbf')"; SqlConnection con = new SqlConnection("server=.;database=labelprint;uid=sa;pwd=sa"); con.Open(); SqlCommand cmd = new SqlCommand(sql, con); cmd.ExecuteNonQuery(); } catch (Exception ex) { MessageBox.Show(ex.Message); } } } } ...展开收缩
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