Data bind in ASP.NET

I have to get the Values ( A,B,C,D) from a table Named as dbo.Names from SQL Server.I had done it manually ,but how to i achieve the same using select statement from table..???or a variable having the value from stored procedure??

                <div class="col-sm-4 lhs-form-box" style="padding: 10px; height: 247px;">
                    <div class="form-group" style="width: 87%; float: left;">
                        <label for="sel1">ITEM</label>
                        <asp:DropDownList ID="ddl_QU" runat="server" class="form-control">
                            <asp:ListItem Text="A" Value="A"></asp:ListItem>
                            <asp:ListItem Text="B" Value="B"></asp:ListItem>
                            <asp:ListItem Text="C" Value="C></asp:ListItem>
                            <asp:ListItem Text="D" Value="D"></asp:ListItem>
                        </asp:DropDownList>
                    </div>
                    <span>
                        <img src="info.png" style="margin: 31px 0px 0px 5px"></span>

                </div>