Chapter 1__1.4 Connecting to a Named Instance of SQL Server

<p>The solution creates and opens a connection to a named instance of a SQL Server Express. Information about the SQL Server is displayed from the properties of the <tt>SqlConnection</tt> object.</p> <p>&nbsp;</p> <div class="cnblogs_code"> <pre><div><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080;"> 1</span> <span style="color: #0000ff;">using</span><span style="color: #000000;"> System;<br /></span><span style="color: #008080;"> 2</span> <span style="color: #000000;">&nbsp;</span><span style="color: #0000ff;">using</span><span style="color: #000000;"> System.Data.SqlClient;<br /></span><span style="color: #008080;"> 3</span> <span style="color: #000000;"><br /></span><span style="color: #008080;"> 4</span> <span style="color: #000000;">&nbsp;</span><span style="color: #0000ff;">namespace</span><span style="color: #000000;"> ConnectSqlServerNamedInstance<br /></span><span style="color: #008080;"> 5</span> <span style="color: #000000;">{<br /></span><span style="color: #008080;"> 6</span> <span style="color: #000000;"> </span><span style="color: #0000ff;">class</span><span style="color: #000000;"> Program<br /></span><span style="color: #008080;"> 7</span> <span style="color: #000000;"> {<br /></span><span style="color: #008080;"> 8</span> <span style="color: #000000;"> </span><span style="color: #0000ff;">static</span><span style="color: #000000;"> </span><span style="color: #0000ff;">void</span><span style="color: #000000;"> Main(</span><span style="color: #0000ff;">string</span><span style="color: #000000;">[] args)<br /></span><span style="color: #008080;"> 9</span> <span style="color: #000000;"> {<br /></span><span style="color: #008080;">10</span> <span style="color: #000000;"> </span><span style="color: #0000ff;">string</span><span style="color: #000000;"> sqlConnectString </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #800000;">@"</span><span style="color: #800000;">Data Source=(local)SQLExpress;</span><span style="color: #800000;">"</span><span style="color: #000000;"> </span><span style="color: #000000;">+</span><span style="color: #000000;"><br /></span><span style="color: #008080;">11</span> <span style="color: #000000;"> </span><span style="color: #800000;">"</span><span style="color: #800000;">Integrated security=SSPI;Initial Catalog=master;</span><span style="color: #800000;">"</span><span style="color: #000000;">;<br /></span><span style="color: #008080;">12</span> <span style="color: #000000;"><br /></span><span style="color: #008080;">13</span> <span style="color: #000000;"> </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> (SqlConnection connection </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> SqlConnection(sqlConnectString))<br /></span><span style="color: #008080;">14</span> <span style="color: #000000;"> {<br /></span><span style="color: #008080;">15</span> <span style="color: #000000;"> connection.Open( );<br /></span><span style="color: #008080;">16</span> <span style="color: #000000;"><br /></span><span style="color: #008080;">17</span> <span style="color: #000000;"> </span><span style="color: #008000;">//</span><span style="color: #008000;"> Return some information about the server.</span><span style="color: #008000;"><br /></span><span style="color: #008080;">18</span> <span style="color: #008000;">&nbsp;</span><span style="color: #000000;"> Console.WriteLine(</span><span style="color: #800000;">"</span><span style="color: #800000;">ConnectionString = {0}n</span><span style="color: #800000;">"</span><span style="color: #000000;">, sqlConnectString);<br /></span><span style="color: #008080;">19</span> <span style="color: #000000;"> Console.WriteLine(</span><span style="color: #800000;">"</span><span style="color: #800000;">State = {0}</span><span style="color: #800000;">"</span><span style="color: #000000;">, connection.State);<br /></span><span style="color: #008080;">20</span> <span style="color: #000000;"> Console.WriteLine(</span><span style="color: #800000;">"</span><span style="color: #800000;">DataSource = {0}</span><span style="color: #800000;">"</span><span style="color: #000000;">, connection.DataSource);<br /></span><span style="color: #008080;">21</span> <span style="color: #000000;"> Console.WriteLine(</span><span style="color: #800000;">"</span><span style="color: #800000;">ServerVersion = {0}</span><span style="color: #800000;">"</span><span style="color: #000000;">, connection.ServerVersion);<br /></span><span style="color: #008080;">22</span> <span style="color: #000000;"> }<br /></span><span style="color: #008080;">23</span> <span style="color: #000000;"><br /></span><span style="color: #008080;">24</span> <span style="color: #000000;"> Console.WriteLine(</span><span style="color: #800000;">"</span><span style="color: #800000;">nPress any key to continue.</span><span style="color: #800000;">"</span><span style="color: #000000;">);<br /></span><span style="color: #008080;">25</span> <span style="color: #000000;"> Console.ReadKey( );<br /></span><span style="color: #008080;">26</span> <span style="color: #000000;"> }<br /></span><span style="color: #008080;">27</span> <span style="color: #000000;"> }<br /></span><span style="color: #008080;">28</span> <span style="color: #000000;">}<br /></span><span style="color: #008080;">29</span> <span style="color: #000000;"><br /></span><span style="color: #008080;">30</span> <span style="color: #000000;">&nbsp;</span></div></pre> </div> <p> <img src="http://pic002.cnblogs.com/img/%e5%be%ae%e8%bd%af%e4%b8%ad%e5%9b%bd/201002/2010022803485428.jpg" /></p> <p>&nbsp;</p> <p>简单。。。</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p>