Get the value of the selected item of a combobox [C#]

Given a combobox (cbClient dropdown) - the user can select one of the items listed in the combobox and when he does I need to know what item he selected.
The combobox is populated by a DataSet (as shown in the code below), everytime I try to get the value of the selected item I get "System.Data.DataRowView" instead ???

Code:

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System.Data.DataSet ds = new System.Data.DataSet();
ds = Database.Read("select * from [TaskTimer$]");

cbClient.SelectedIndex = -1;
cbClient.DataSource = ds.Tables[0];
cbClient.DisplayMember = "CLIENTS";
cbClient.ValueMember = "CLIENTS";
...
... The user can do stuff like select a Client from the ComboBox DropDown
...
string sSelectedClient = cbClient.SelectedItem.ToString();

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So I am trying to get sSelectedClient to be = the selected client from the DrownDown Combobox.... but thats not what I am getting.
Do I need to CAST it somehow, into like a DATASET and then extract it as such? If so how would I go about doing that?
Any help/hints would be greatly appreciated

Several Things:
1. DisplayMember property should be the name of the column to be displayed inside the combobox.
2. ValueMember property should be the name of the column which is the value of the item.

For example:

Code:

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cbClient.DataSource = ds.Tables["CLIENTS"];
cbClient.DisplayMember = "NAME";
cbClient.ValueMember = "ID";

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3. If you want the value of the selected item you should use:

Code:

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object sSelectedClient = cbClient.SelectedValue;

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If the value is a string than do:

Code:

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string sSelectedClient  = (string) cbClient.SelectedValue;

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