C#

George_George wrote:

I think 503 means error from the exact server/URL we are requesting

N a v a n e e t h wrote:

No. 503 is shown when server is overloaded or when it just refuses the connection.

N a v a n e e t h wrote:

Yeah, W3C tells this is the reason. You can find the defnition in the URL which I given in an earlier post.

George_George wrote:

From your above two statements, I can not see any differences

George_George wrote:

But not telling whether I could improve it by client side

N a v a n e e t h wrote:

may add some more headers to the request

N a v a n e e t h wrote:

You need to keep what they said in mind and do testing. I don't think you will get a better explanation.

George_George wrote:

Do you have any ideas or experience of how to avoid such issues from client side?

George_George wrote:

You mentioned using proxy or gateway is not for performance improvement, so what is its purpose?

led mike wrote:

What? How can you avoid a server condition from client side? That makes no sense at all.

George_George wrote:

For what purpose?

George_George wrote:

You mentioned using proxy or gateway is not for performance improvement, so what is its purpose?

George_George wrote:

Do you have any ideas or experience of how to avoid such issues from client side?

N a v a n e e t h wrote:

modifies the request it gets and redirects tp other server.

N a v a n e e t h wrote:

organizing datas

N a v a n e e t h wrote:

Sorry, that doesn't make any sense. It's a server side issue and how you are hoping it to be fixed from client side ?

George_George wrote:

Why modify the content? To facilitate what?

George_George wrote:

You mean keep backend servers transparent to outside? Better to deployment?

George_George wrote:

I am just wondering whether this error could be caused by missong some Http header fields or some Http body fields from client side? Or just a server side issue?

sunilwise wrote:

string sql = "select CONVERT(varchar ,[dateregistered],103) Dates,[user],[client facility],sum([payroll score])LC from [sheet1$] group by [user],[client facility], CONVERT(varchar ,[dateregistered],103) order by [user]";

Rajesh_K_Sharma wrote:

void GetStatus()
{
ManagementObjectSearcher printJobsSeacher = new ManagementObjectSearcher(@"SELECT * FROM Win32_PrintJob");
ManagementObjectCollection printJobs = printJobsSeacher.Get();
foreach (ManagementObject item in printJobs)
{
// Print JobStatus
}
}
}

<br />
using System;<br />
using System.Management;<br />
using System.Windows.Forms;<br />
<br />
namespace WMISample<br />
{<br />
    public class MyWMIQuery<br />
    {<br />
        public static void Main()<br />
        {<br />
            try<br />
            {<br />
                ManagementObjectSearcher searcher = <br />
                    new ManagementObjectSearcher("root\\CIMV2", <br />
                    "SELECT * FROM Win32_PrintJob"); <br />
<br />
                foreach (ManagementObject queryObj in searcher.Get())<br />
                {<br />
                    Console.WriteLine("-----------------------------------");<br />
                    Console.WriteLine("Win32_PrintJob instance");<br />
                    Console.WriteLine("-----------------------------------");<br />
                    Console.WriteLine("JobStatus: {0}", queryObj["JobStatus"]);<br />
                }<br />
            }<br />
            catch (ManagementException e)<br />
            {<br />
                MessageBox.Show("An error occurred while querying for WMI data: " + e.Message);<br />
            }<br />
        }<br />
    }<br />
}<br />