c#获得目标服务器中所有数据库名、表名、列名的实现代码
本文导语: 代码如下: /// /// 获得目标服务器所有数据库名 /// /// /// /// public void getDataBaseNameList(string serverName, string userName, string password) { ...
///
/// 获得目标服务器所有数据库名
///
///
///
///
public void getDataBaseNameList(string serverName, string userName, string password)
{
SQLDMO.Application sqlApplication = new SQLDMO.ApplicationClass();
SQLDMO.SQLServer sqlServer = new SQLDMO.SQLServerClass();
sqlServer.Connect(serverName, userName, password); // 连接服务器
foreach (SQLDMO.Database databBase in sqlServer.Databases)
{
if (databBase.Name != null)
{
this.DataBaseTreeView.Nodes.Add(databBase.Name);
getDataBaseTableList(serverName, userName, password, databBase.Name);
}
}
}
///
/// 加载数据库中表
///
/// 服务器名
/// 用户名
/// 密码
/// 数据库名
private void getDataBaseTableList(string serverName, string userName, string password, string dataBaseName)
{
SQLDMO.SQLServer Server = new SQLDMO.SQLServerClass();
//连接到服务器
Server.Connect(serverName, userName, password);
//对所有的数据库遍历,获得指定数据库
for (int i = 0; i < Server.Databases.Count; i++)
{
//判断当前数据库是否是指定数据库
if (Server.Databases.Item(i + 1, "dbo").Name == dataBaseName)
{
//获得指定数据库
SQLDMO._Database db = Server.Databases.Item(i + 1, "dbo");
//获得指定数据库中的所有表
for (int j = 0; j < db.Tables.Count; j++)
{
this.DataBaseTreeView.Nodes[i].Nodes.Add(db.Tables.Item(j + 1, "dbo").Name);
}
}
}
}
///
/// 获得表中所有列名
///
/// 服务器名
/// 用户名
/// 密码
/// 表名
/// 数据库名
///
public string getRowListFromTable(string serverName, string userName, string password, string tableName, string dataBaseName)
{
string result = string.Empty;
string connectionString = string.Empty;
connectionString += "server=" + serverName;
connectionString += ";Pwd=" + password;
connectionString += ";UID=" + userName;
connectionString += ";Database=" + dataBaseName;
string commandString = string.Empty;
commandString += "select name from syscolumns where id=object_id('";
commandString += tableName;
commandString += "')";
SqlConnection sqlConnection = new SqlConnection(connectionString);
SqlCommand sqlCommand = new SqlCommand(commandString, sqlConnection);
SqlDataAdapter dataAdapter = new SqlDataAdapter(commandString, sqlConnection);
DataSet dataSet = new DataSet();
dataAdapter.Fill(dataSet);
DataTable dataTable = dataSet.Tables[0];
// DataTable dataTable = sqlConnection.GetSchema("Tables");
foreach (DataRow row in dataTable.Rows)
{
result += row[0].ToString() + "-";
}
if (result != null)
{
return result;
}
else
{
return "0";
}
}