VS中有Add Connection功能的界面,能够搜索到局域网内的服务器,连接上服务器后能够根据用户名和密码获得数据库的列表。看似很复杂的一个功能,其实很简单。 1、获取服务器列表。 VS中提供了SqlDataSourceEnumerator类,命名空间为System.Data.Sql,直接调用
VS中有Add Connection功能的界面,能够搜索到局域网内的服务器,连接上服务器后能够根据用户名和密码获得数据库的列表。看似很复杂的一个功能,其实很简单。
1、获取服务器列表。
VS中提供了SqlDataSourceEnumerator类,命名空间为System.Data.Sql,直接调用GetDataSource()方法,即可或得服务器列表的DataTable。
代码奉上:
private void GetServerName() { List<string> serverList = new List<string>(); DataTable dataTable = SqlDataSourceEnumerator.Instance.GetDataSources(); DataRow[] rows = dataTable.Select("", "ServerName,InstanceName Asc"); foreach (DataRow row in rows) { string server = row["ServerName"].ToString(); if (string.IsNullOrEmpty(row["InstanceName"].ToString()) == false) { server = server + "\\" + row["InstanceName"].ToString(); } serverList.Add(server); } this.SetComboBoxItemSource(cbServer, serverList); } </string></string>
2、获取数据库的所有数据库列表。
这个比较简单,连接上服务器后,连接master数据库,通过查询systemdatabases就可以了。
代码奉上:
private void GetDataBasesName() { List<string> dataBaseList = new List<string>();</string></string>
//获取服务器、用户名和密码,可以自己改改参数。 string server = this.GetControlText(this.cbServer); string uid = this.GetControlText(this.txtUid); string pwd = this.GetControlText(this.pbPwd); string connString = string.Format("server={0};database=master;uid={1};pwd={2}", server, uid, pwd); string sql = "select name from SYSDATABASES order by name"; SqlConnection conn = new SqlConnection(connString); try { conn.Open(); SqlCommand cmd = new SqlCommand(sql, conn); SqlDataReader reader = cmd.ExecuteReader(); while (reader.Read()) { dataBaseList.Add(reader[0].ToString()); } } catch (Exception) { //throw; } finally { conn.Close(); } this.SetComboBoxItemSource(this.cbDataBase, dataBaseList); }
如有不当之处,还请大家多多指教。

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