title: Not able to invoke the WCF function
body: <p>I've an asp .net application, my Data Access Layer is a WCF service. I use VWD Express 2010. The whole structure in a bird's eye view is something like this</p>
  
  <pre><code>    [ServiceContract]
      public interface IExcelReader
      {
         [OperationContract]
         [FaultContract(typeof(StaffAllocationFault))]        
         void ReadExcel();
      }
  </code></pre>
  
  <p><br></p>
  
  <pre><code>    public void ReadExcel()
      {
          DataSet dataCollection = new DataSet();
  
          table = new DataTable("Capacity");
  
          //gets the connection string for the excelsheet with the employee details
          //string strCon = ConfigurationManager.ConnectionStrings["capacityDB"].ConnectionString;
          string strCon = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:\CapacityDB.xlsx;Extended Properties=Excel 12.0";
  
          //gets the predefined filters in the application
          string[] filter = GetDefinedFilters();
  
          //creates the connection object
          oledbCon = new OleDbConnection(strCon);
  
          try
          {
              //opens the connection object
              openConnection();
  
              string strCmd = "Select * from [Capacity Report Data$]";
  
              //creates the command object
              oledbCmd = new OleDbCommand(strCmd, oledbCon);
  
              //fills the datatable using the data adapter
              oledbAdapter = new OleDbDataAdapter();
              oledbAdapter.SelectCommand = oledbCmd;
              oledbAdapter.Fill(table);
  
              dataCollection.Tables.Add(table);
  
              //to trim off the trailing/preceding whitespaces
              foreach (DataRow row in table.Rows)
              {
                  int count = 0;
  
                  while (count &lt; filter.Count())
                  {
                      try
                      {
                          row[filter[count]] = row[filter[count]].ToString().Trim();
  
                          //if the field is blank
                          if (row[filter[count]].ToString() == "")
                              row[filter[count]] = "***";
  
                          count++;
                      }
  
                      catch (Exception ex)
                      {
                          throw new FaultException&lt;StaffAllocationFault&gt;(new StaffAllocationFault { FaultMessage = "Error while reading through the employee information" }, ex.Message);
                      }
                  }
              }                
          }
  
          catch (Exception ex)
          {
              throw new FaultException&lt;StaffAllocationFault&gt;(new StaffAllocationFault { FaultMessage = "Error while retreiving employee information" }, ex.Message);
          }
  
          finally
          {
              //closes the oledb connection
              closeConnection();
          }
      }
  </code></pre>
  
  <p><br>            </p>
  
  <pre><code>    public void ReadFromExcel()
      {
          try
          {
              new ExcelReaderClient().ReadExcel();
          }
          //service specific exceptions
          catch (FaultException&lt;StaffAllocationFault&gt; ex)
          {
              throw new ExceptionLayer.StaffAllocationException("Error while reading from excel", ex);
          }
          //generic exceptions
          catch (Exception genEx)
          {
              throw genEx;
          }
      }
  </code></pre>
  
  <p>My <code>web.config</code> in UI: </p>
  
  <pre><code>&lt;client&gt;
          &lt;endpoint address="http://localhost:49171/ExcelReader.svc" binding="basicHttpBinding"
              bindingConfiguration="BasicHttpBinding_IExcelReader" contract="ExcelService.IExcelReader"
              name="BasicHttpBinding_IExcelReader" /&gt;
      &lt;/client&gt;
  </code></pre>
  
  <p>when I run the application the function in the wcf is not getting invoked. Pls help.</p>