The DataSourceID of 'visitSecDropDown' must be the ID of a control of type IDataSource. A control with ID 'rydhaveSrc' could not be found.

I am geting this error when i try and load my website, and i can't quite figure out why? I've googled a bit and not found a solution that helps me.

The DataSourceID of 'visitSecDropDown' must be the ID of a control of type IDataSource.  A control with ID 'rydhaveSrc' could not be found.

bellow is the given code

<asp:DropDownList ID="visitSecDropDown" runat="server" DataSourceID="rydhaveSrc"
                                                        DataTextField="Rydhave" DataValueField="ID" Width="155px">
                                                    </asp:DropDownList><asp:CompareValidator ID="CompareValidator1" runat="server" 

                                                        CultureInvariantValues="True" ErrorMessage="Please select section of visit" 

                                                        ValueToCompare="Select One">*</asp:CompareValidator>

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Om PrakashCommented:
Add <asp:SqlDataSource ... which is missing
<asp:SqlDataSource ID="sda_nw1" runat="server" ConnectionString='<%$ ConnectionStrings:NORTHWIND %> '         SelectCommand="SELECT orders.customerid, ContactName, count(OrderID) as numorders FROM orders join customers on orders.CustomerID=Customers.CustomerID group by orders.customerid, ContactName order by ContactName"         ProviderName="System.Data.SqlClient" OldValuesParameterFormatString="original_{0}">        </asp:SqlDataSource> <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="sda_nw1" DataTextField="customerid"            DataValueField="customerid">        </asp:DropDownList><br />

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Om PrakashCommented:
      ConnectionString='<%$ ConnectionStrings:NORTHWIND %> '        
      SelectCommand="SELECT ID, Rydhave FROM table_name"        
      ProviderName="System.Data.SqlClient" OldValuesParameterFormatString="original_{0}">        


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Vx_ChemicalAuthor Commented:
Yes. i had some how killed my data source, now im getting something else though.

DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'Garden'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'Garden'.

Source Error:

anyone who can solve this mystery?
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