enregistrement de valeurs d'une liste deroulante

mon code est le suivant sachez que je sais travaillé qu'avec l'assistant :
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
<asp:FormView ID="FormView1" runat="server" DataKeyNames="NAffectation" 
        DataSourceID="ObjectDataSource1" DefaultMode="Insert" Width="330px">
        <EditItemTemplate>
            NAffectation:
            <asp:Label ID="NAffectationLabel1" runat="server" 
                Text='<%# Eval("NAffectation") %>' />
            <br />
            Navire:
            <asp:TextBox ID="NavireTextBox" runat="server" Text='<%# Bind("Navire") %>' />
            <br />
            NEscale:
            <asp:TextBox ID="NEscaleTextBox" runat="server" Text='<%# Bind("NEscale") %>' />
            <br />
            DateAffectation:
            <asp:TextBox ID="DateAffectationTextBox" runat="server" 
                Text='<%# Bind("DateAffectation") %>' />
            <br />
            NbrConducteur:
            <asp:TextBox ID="NbrConducteurTextBox" runat="server" 
                Text='<%# Bind("NbrConducteur") %>' />
            <br />
            equipeCER:
            <asp:TextBox ID="equipeCERTextBox" runat="server" 
                Text='<%# Bind("equipeCER") %>' />
            <br />
            equipeCERS:
            <asp:TextBox ID="equipeCERSTextBox" runat="server" 
                Text='<%# Bind("equipeCERS") %>' />
            <br />
            <asp:LinkButton ID="UpdateButton" runat="server" CausesValidation="True" 
                CommandName="Update" Text="Update" />
            &nbsp;<asp:LinkButton ID="UpdateCancelButton" runat="server" 
                CausesValidation="False" CommandName="Cancel" Text="Cancel" />
        </EditItemTemplate>
        <InsertItemTemplate>
            NAffectation:
            <asp:TextBox ID="NAffectationTextBox" runat="server" 
                Text='<%# Bind("NAffectation") %>' />
            <br />
            Navire:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            <asp:TextBox ID="NavireTextBox" runat="server" Text='<%# Bind("Navire") %>' />
            <br />
            NEscale:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            <asp:TextBox ID="NEscaleTextBox" runat="server" Text='<%# Bind("NEscale") %>' />
            <br />
            DateAffectation:&nbsp;&nbsp;
            <asp:TextBox ID="DateAffectationTextBox" runat="server" 
                Text='<%# Bind("DateAffectation") %>' />
            <br />
            NbrConducteur:
            <asp:TextBox ID="NbrConducteurTextBox" runat="server" 
                Text='<%# Bind("NbrConducteur") %>' />
            <br />
            equipeCER:<asp:DropDownList ID="DropDownList1" runat="server" 
                AutoPostBack="True" DataSourceID="SqlDataSource1" DataTextField="equipeCER" 
                DataValueField="equipeCER">
            </asp:DropDownList>
            <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
                ConnectionString="<%$ ConnectionStrings:affectDBConnectionString %>" 
                SelectCommand="SELECT DISTINCT [equipeCER] FROM [Personnels] WHERE ([typedemachine] = @typedemachine)">
                <SelectParameters>
                    <asp:Parameter DefaultValue="CER" Name="typedemachine" Type="String" />
                </SelectParameters>
            </asp:SqlDataSource>
&nbsp;<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
                DataSourceID="ObjectDataSource1">
                <Columns>
                    <asp:TemplateField HeaderText="selectionner">
                        <ItemTemplate>
                            <asp:CheckBox ID="CheckBox1" runat="server" />
                        </ItemTemplate>
                    </asp:TemplateField>
                    <asp:BoundField DataField="nomComplet" HeaderText="nomComplet" 
                        SortExpression="nomComplet" />
                </Columns>
            </asp:GridView>
            <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" 
                OldValuesParameterFormatString="original_{0}" SelectMethod="GetData" 
                TypeName="affectation.DataSetAffectationTableAdapters.selectPersonnelsCerTableAdapter">
                <SelectParameters>
                    <asp:ControlParameter ControlID="DropDownList1" Name="equipeCER" 
                        PropertyName="SelectedValue" Type="String" />
                </SelectParameters>
            </asp:ObjectDataSource>
            <br />
            equipeCERS:<asp:DropDownList ID="DropDownList2" runat="server" 
                AutoPostBack="True" DataSourceID="SqlDataSource2" DataTextField="equipeCERS" 
                DataValueField="equipeCERS">
            </asp:DropDownList>
            <asp:SqlDataSource ID="SqlDataSource2" runat="server" 
                ConnectionString="<%$ ConnectionStrings:affectDBConnectionString %>" 
                SelectCommand="SELECT DISTINCT [equipeCERS] FROM [Personnels] WHERE ([typedemachine] = @typedemachine)">
                <SelectParameters>
                    <asp:Parameter DefaultValue="CERS" Name="typedemachine" Type="String" />
                </SelectParameters>
            </asp:SqlDataSource>
&nbsp;<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" 
                DataSourceID="ObjectDataSource2">
                <Columns>
                    <asp:TemplateField HeaderText="selectionner">
                        <ItemTemplate>
                            <asp:CheckBox ID="CheckBox2" runat="server" />
                        </ItemTemplate>
                    </asp:TemplateField>
                    <asp:BoundField DataField="nomComplet" HeaderText="nomComplet" 
                        SortExpression="nomComplet" />
                </Columns>
            </asp:GridView>
            <asp:ObjectDataSource ID="ObjectDataSource2" runat="server" 
                OldValuesParameterFormatString="original_{0}" SelectMethod="GetData" 
                TypeName="affectation.DataSetAffectationTableAdapters.SELECTCERSPERSONNELTableAdapter">
                <SelectParameters>
                    <asp:ControlParameter ControlID="DropDownList2" Name="equipeCERS" 
                        PropertyName="SelectedValue" Type="String" />
                </SelectParameters>
            </asp:ObjectDataSource>
            <br />
            <asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" 
                CommandName="Insert" Text="Insert" />
            &nbsp;<asp:LinkButton ID="InsertCancelButton" runat="server" 
                CausesValidation="False" CommandName="Cancel" Text="Cancel" />
        </InsertItemTemplate>
        <ItemTemplate>
            NAffectation:
            <asp:Label ID="NAffectationLabel" runat="server" 
                Text='<%# Eval("NAffectation") %>' />
            <br />
            Navire:
            <asp:Label ID="NavireLabel" runat="server" Text='<%# Bind("Navire") %>' />
            <br />
            NEscale:
            <asp:Label ID="NEscaleLabel" runat="server" Text='<%# Bind("NEscale") %>' />
            <br />
            DateAffectation:
            <asp:Label ID="DateAffectationLabel" runat="server" 
                Text='<%# Bind("DateAffectation") %>' />
            <br />
            NbrConducteur:
            <asp:Label ID="NbrConducteurLabel" runat="server" 
                Text='<%# Bind("NbrConducteur") %>' />
            <br />
            equipeCER:
            <asp:Label ID="equipeCERLabel" runat="server" Text='<%# Bind("equipeCER") %>' />
            <br />
            equipeCERS:
            <asp:Label ID="equipeCERSLabel" runat="server" 
                Text='<%# Bind("equipeCERS") %>' />
            <br />
            <asp:LinkButton ID="EditButton" runat="server" CausesValidation="False" 
                CommandName="Edit" Text="Edit" />
            &nbsp;<asp:LinkButton ID="DeleteButton" runat="server" CausesValidation="False" 
                CommandName="Delete" Text="Delete" />
            &nbsp;<asp:LinkButton ID="NewButton" runat="server" CausesValidation="False" 
                CommandName="New" Text="New" />
        </ItemTemplate>
    </asp:FormView>
 
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" 
        DeleteMethod="Delete" InsertMethod="Insert" 
        OldValuesParameterFormatString="original_{0}" SelectMethod="GetData" 
    TypeName="affectation.DataSetAffectationTableAdapters.AffectationTableAdapter" 
        UpdateMethod="Update">
        <DeleteParameters>
            <asp:Parameter Name="Original_NAffectation" Type="Int32" />
        </DeleteParameters>
        <UpdateParameters>
            <asp:Parameter Name="Navire" Type="String" />
            <asp:Parameter Name="NEscale" Type="Int32" />
            <asp:Parameter Name="DateAffectation" Type="DateTime" />
            <asp:Parameter Name="NbrConducteur" Type="Int32" />
            <asp:Parameter Name="equipeCER" Type="String" />
            <asp:Parameter Name="equipeCERS" Type="String" />
            <asp:Parameter Name="Original_NAffectation" Type="Int32" />
        </UpdateParameters>
        <InsertParameters>
            <asp:Parameter Name="NAffectation" Type="Int32" />
            <asp:Parameter Name="Navire" Type="String" />
            <asp:Parameter Name="NEscale" Type="Int32" />
            <asp:Parameter Name="DateAffectation" Type="DateTime" />
            <asp:Parameter Name="NbrConducteur" Type="Int32" />
            <asp:Parameter Name="equipeCER" Type="String" />
            <asp:Parameter Name="equipeCERS" Type="String" />
        </InsertParameters>
    </asp:ObjectDataSource>
excusez moi parce que j'ai mis trop de code mais je suis débutante et j'arrive pas à trouver d'autre solutions