这是App.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
<connectionStrings>
<add name="sqlserver" connectionString="Server=127.0.0.1;Initial Catalog=Hotel;User ID=sa;Password=1234" providerName="System.Data.SqlClient" />
</connectionStrings>
</configuration>
怎么改成下面这种
string connstring = "Server=.; user Id = sa; Pwd = 1234; DataBase = Library";//Data Source =172.20.10.5;Initial Catalog = Library;User ID= sa;Pwd=1234
SqlConnection conn = new SqlConnection(connstring);
string sql = String.Format("select count(*) from [Manager] where managerid='{0}' and managerPassword='{1}' and mIdentity='{2}'", username, passworld,midentity );