winform如何拿到一个服务器中所有数据库名称

winform如何拿到一个服务器中所有数据库名称,第1张

/// <summary>

/// 获得目标服务器所有数据库

/// </summary>

/// <param name="serverName"></param>

/// <param name="userName"></param>

/// <param name="password"></param>

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)

}

}

}

/// <summary>

/// 加载数据库中表

/// </summary>

/// <param name="serverName">服务器名</param>

/// <param name="userName">用户名</param>

/// <param name="password">密码</param>

/// <param name="dataBaseName">数据库名</param>

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 = 0i <Server.Databases.Counti++)

{

//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 = 0j <db.Tables.Countj++)

{

this.DataBaseTreeView.Nodes[i].Nodes.Add(db.Tables.Item(j + 1, "dbo").Name)

}

}

}

}

/// <summary>

/// 获得表中所有列名

/// </summary>

/// <param name="serverName">服务器名</param>

/// <param name="userName">用户名</param>

/// <param name="password">密码</param>

/// <param name="tableName">表名</param>

/// <param name="dataBaseName">数据库名</param>

/// <returns></returns>

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"

}

}

可以通过listView控件显示datatable里面的数据,方法大致如下

listView1.Columns.Add("名字", 200, HorizontalAlignment.Center)//表头名,长度,格式

listView1.Columns.Add("密码", 70)

listView1.Columns.Add("状态", 120, HorizontalAlignment.Center)

listView1.GridLines = true//显示表格线

listView1.View = View.Details//显示表格细节

listView1.HeaderStyle = ColumnHeaderStyle.Clickable//对表头进行设置

listView1.FullRowSelect = true//是否可以选择行

..后面还很属性自己去研究,后面就是绑定数据了

DataTable dt=“查询出来的数据"//数据查询什么的就不啰嗦了

for (int i = 0i <dt.Rows.Counti++)

{

ListViewItem[] listViewItem = new ListViewItem[1]

listViewItem[0] = new ListViewItem(new string[] { dt.Rows[i]["名字字段"].ToString(), dt.Rows[i]["密码字段"].ToString(), dt.Rows[i]["状态字段"].ToString()})

listView1.Items.AddRange(listViewItem)

}

使用子查询可以分页

select top 1000 * from 表 where 主键 not in

(select top (页码*1000) 主键 from 表 )

第一个*号代表所有,

第二个*号代表乘以


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