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Retrieving the COM class factory for component with CLSID {00853A19-BD51-419B-9269-2DABE57EB61F} failed due to the following error: 80040154.

protected void btnconnect_Click(object sender, EventArgs e)
       if (btnconnect.Text == "Connect")

           zkemkeeper.CZKEMClass axczkem1 = new zkemkeeper.CZKEMClass();
//here above line shows the error (Retrieving the COM class factory for component with CLSID {00853A19-BD51-419B-9269-2DABE57EB61F} failed due to the following error: 80040154.)

           int port = Convert.ToInt32(txtportno.Text);
           string ipaddress = txtipaddress.Text;
           flag1 = axczkem1.Connect_Net(ipaddress, port);
           if (flag1 == true)
               btnconnect.Text = "DisConnect";

               lblState.Text = "Current State:Connected";
               iMachineNumber = 1; 
               //axCZKEM1.RegEvent(iMachineNumber, 65535); 
               tlbdeviceinformation.Visible = true;

               axczkem1.GetLastError(ref idwErrorCode);
               tlbdeviceinformation.Visible = false;
               gp.DisplayMessage(this.Page, "Unable to connect the device,ErrorCode=" + idwErrorCode.ToString() + "Error");
           btnconnect.Text = "Connect";
           tlbdeviceinformation.Visible = false;
           txtipaddress.Text = txtportno.Text = "";
           lblState.Text = "";
           ddlMachineNo.SelectedIndex = -1;
Updated 10-Jul-15 3:17am
[no name] 10-Jul-15 6:34am    
Did you register the DLL and/or the dependency DLLs on the host machine?
RD pandit 10-Jul-15 6:45am    
yes i register zmkemkeeper dll
[no name] 10-Jul-15 6:50am    
Change your target to x86
RD pandit 10-Jul-15 6:57am    
how to change the target, bcause i m working on website and it does'nt show that property in VS2005
Sergey Alexandrovich Kryukov 10-Jul-15 13:56pm    
This is just some fragment of server-side code, not really relevant to the problem. Are you using a biometrics device on the server side? Hard to believe that. I would rather guess that you need reading biometrics data from the client-side device. But how?
You should understand that W3 standardization on biometrics is only emerging. Without it, people use something line ActiveX embedded on a Web page, which is pure evil...

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