ASP.NET

private void cvactivitycode_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = false;
            for (short I = 1; (I
                        <= (activitycode.Items.Count - 1)); I++)
            {
                if (activitycode.Items(I).Value)
                {
                    args.IsValid = true;
                    break;
                }

            }

        }

conn.ConnectionString = strConnection;
           conn.Open();

           OracleCommand cmd = new OracleCommand();
           cmd.Connection = conn;
           cmd.CommandText = "UPDATE BUYING_ACTIVITY SET CUSTOMER_SOURCE_CODE = :custsrc, CUSTOMER_NAME =:name, CUSTOMER_CITY = :city, CUSTOMER_STATE = :state WHERE _ACTIVITY_ID = ?";

           cmd.Parameters.Add(new OracleParameter(?));
           cmd.Parameters.Add(new OracleParameter("custsrc", custsrc));
           cmd.Parameters.Add(new OracleParameter("name", name));
           cmd.Parameters.Add(new OracleParameter("city", city));
           cmd.Parameters.Add(new OracleParameter("state", state));


           cmd.ExecuteNonQuery();

           conn.Close();

public static void RegisterRoutes(RouteCollection routes)
       {
           routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

           routes.MapRoute(
               name: "Default",
               url: "{controller}/{action}/{id}",
               defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
           );
       }

public class Startup
    {
        public void Configuration(IAppBuilder app)
        {
            //app.MapSignalR();
            // For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=316888
        }
    }

public class HelpPageAreaRegistration : AreaRegistration
{
    public override string AreaName
    {
        get
        {
            return "HelpPage";
        }
    }

    public override void RegisterArea(AreaRegistrationContext context)
    {
        context.MapRoute(
            "HelpPage_Default",
            "Help/{action}/{apiId}",
            new { controller = "Help", action = "Index", apiId = UrlParameter.Optional });

        HelpPageConfig.Register(GlobalConfiguration.Configuration);
    }
}

how to populate textboxes on dropdown selection using .net mvc sqlserver 2013 without entitydata. 

<label for="exampleNASAControlNumber">Is this a Contract or Solicitation?:</label>
		  <label class="switch2">
				<input class="switch-input2" type="checkbox" id="contractselection" name="contractselection" runat="server"/>
				  
				  
			 </label>

<label for="exampleStartDate" style="position:relative; right:17px;">Contract Start Period:<span style="color:red">*</span>:</label> 
			  <div class="bootstrap-iso"> 
				<div class="row">   
				 <div class=" zero-padding-left">
				  <div class="input-group">
				 <div class="input-group-addon">
				   
				   
				</div> 
		<input class="form-control" id="contractstartdate"  name="contractstartdate" runat="server" placeholder="MM/DD/YYYY" type="text" style="width:240px;"/>
                  </div>
                     <asp:RequiredFieldValidator ID="RequiredFieldValidator6"  ForeColor="Red"  runat="server" ControlToValidate ="contractstartdate" ErrorMessage="Please select a Contract Start Period">   
				</asp:RequiredFieldValidator>

<label for="exampleStartDate" style="position:relative; right:15px;">Solicitation Start Period:<span style="color:red">*</span>:</label>
			<%--<SharePoint:DateTimeControl ID="SolicitationStartDateControl" runat="server" CssClassTextBox="form-control" DateOnly="True" />--%>
			  <div class="bootstrap-iso"> 
				  
				 <div class="input-group" style="position:relative; right:15px; width:296px;">
				 <div class="input-group-addon">
				   
				   
				</div>
				 <input class="form-control" id="solicitationstartdate" name="solicitationstartdate" runat="server" placeholder="MM/DD/YYYY" type="text"/>
                 </div>
                  <asp:RequiredFieldValidator ID="RequiredFieldValidator8"  ForeColor="Red"  runat="server" ControlToValidate ="solicitationstartdate" ErrorMessage="Please select a Solicitation Start Period">   
				</asp:RequiredFieldValidator>