[英]DataList ASP.net c# looping through
我有一个数据列表,可从包含服务器名称的SQL数据库中提取数据。 (共6个)
我想遍历数据列表,并使用WMI为列表中的每个服务器连接到该服务器,并查看值是否为true。
我为一个服务器名称工作,但与数据列表结合使用时却没有。
我要去哪里错了?
谢谢
string SARHServerName = "";
//SARHServerName = reader["ServerName"].ToString();
ConnectionOptions con = new ConnectionOptions();
con.Username = "Username";
con.Password = "Password";
foreach (DataListItem item in DataList.Items)
{
Label1.Text = SARHServerName;
SARHServerName += "," + ((Label) (item.FindControl("ServerNameLabel"))).Text;
ManagementScope scope =
new ManagementScope(
"\\\\" + SARHServerName + "\\root\\CIMV2\\TerminalServices", con);
scope.Options.EnablePrivileges = true;
scope.Options.Authentication = AuthenticationLevel.PacketPrivacy;
scope.Options.Impersonation = ImpersonationLevel.Impersonate;
scope.Connect();
//create object query
ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_TerminalServiceSetting");
//create object searcher
ManagementObjectSearcher searcher =
new ManagementObjectSearcher(scope, query);
//get collection of WMI objects
ManagementObjectCollection queryCollection = searcher.Get();
//enumerate the collection.
foreach (ManagementObject m in queryCollection)
{
if (m["Logons"].ToString() == "0")
{
((Image)(item.FindControl("ServerDown"))).Visible = true;
((Image)(item.FindControl("ServerUP"))).Visible = false;
}
else
{
((Image)(item.FindControl("ServerDown"))).Visible = false;
((Image)(item.FindControl("ServerUP"))).Visible = false;
}
}
}
一旦将数据源绑定到数据列表,就调用此函数。
public void GetDataFromSQLGridView()
{
SqlConnection conn = null;
try
{
conn = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["DailyChecksConnectionString"].ConnectionString);
{
conn.Open();
using (SqlCommand cmd =
new SqlCommand("SELECT ServerName FROM Servers_Checks", conn))
{
DataListSQL.DataSource = cmd.ExecuteReader();
DataListSQL.DataBind();
}
}
}
catch { }
finally { GetRemoteDesktop(); }
}
是我的SQL命令吗? 看起来好像一口气从SQL中返回了所有服务器名称,而不是先返回一个服务器名称,然后继续并获取另一条记录。
好的,我已经找到了一些进一步的信息。 我做了一个
Response.Write(SARHServerName);
Response.Write("<br />");
它通过循环很好,但将这样的结果连接起来
server1
server1server2
server1server2server3
server1server2server3server4
server1server2server3server4server5
server1server2server3server4server5server6
我必须靠近吗?
更改:
SARHServerName = ((Label) (item.FindControl("ServerNameLabel"))).Text;
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