How to set a Dropdownlist Selectd value which is inside the Gridview in asp.net

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C#

ASP.NET

Hi all,

I designed a Gridview that contails 4 columns.The data is bounded code is as follows:

<asp:GridView ID="GViewCarrierType" runat="server" AllowPaging="True" DataKeyNames=""
                AutoGenerateColumns="False" AutoGenerateEditButton="True" CellPadding="4" ForeColor="#333333"
                GridLines="None" PageSize="5" OnPageIndexChanging="GViewCarrierType_PageIndexChanging"
                OnRowCancelingEdit="GViewCarrierType_RowCancelingEdit" OnRowEditing="GViewCarrierType_RowEditing"
                OnRowUpdating="GViewCarrierType_RowUpdating">
                <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
                <RowStyle BackColor="#EFF3FB" />
                <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
                <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
                <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
                <EditRowStyle BackColor="AliceBlue" />
                <AlternatingRowStyle BackColor="White" />
                <Columns>
                    <asp:TemplateField ItemStyle-HorizontalAlign="Center">
                        <HeaderTemplate>
                            Carrier Type</HeaderTemplate>
                        <ItemTemplate>
                            <%#Eval ("CarrierTypeName") %></ItemTemplate>
                        <EditItemTemplate>
                            <asp:TextBox ID="txtCTName" runat="server" Text='<%#Eval ("CarrierTypeName") %>'></asp:TextBox></EditItemTemplate>
                        <FooterTemplate>
                            <asp:TextBox ID="txtnewCTName" runat="server"></asp:TextBox></FooterTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField ItemStyle-HorizontalAlign="Center">
                        <HeaderTemplate>
                            Mode Of Transport</HeaderTemplate>
                        <ItemTemplate>
                            <%#Eval ("MTName") %></ItemTemplate>
                        <EditItemTemplate>
                            <asp:DropDownList ID="ddlMT" runat="server" AppendDataBoundItems="true"  DataSource='<%# GetMTName()%>' SelectedValue='<%#Eval("MTName")%>'  DataTextField="MTName"
                                DataValueField="MTID" >
                            </asp:DropDownList>
                        </EditItemTemplate>
                        <FooterTemplate>
                           <asp:DropDownList ID="ddlnewMT" runat="server" DataSource='<%# GetMTName()%>' DataTextField="MTName"
                                DataValueField="MTID" ></asp:DropDownList></FooterTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField ItemStyle-HorizontalAlign="Center">
                        <HeaderTemplate>
                            IsActive</HeaderTemplate>
                        <ItemTemplate>
                            <asp:CheckBox ID="chkstatus" runat="server" Checked='<%#Eval("CTIsActive")%>' Enabled="false" /></ItemTemplate>
                        <EditItemTemplate>
                            <asp:CheckBox ID="chkstatus" runat="server" Checked='<%#Eval("CTIsActive")%>' /></EditItemTemplate>
                        <FooterTemplate>
                            <asp:CheckBox ID="chknewstatus" runat="server" /></FooterTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField ItemStyle-HorizontalAlign="Center">
                        <FooterTemplate>
                            <asp:Button ID="btnsave" runat="server" Text="Save" OnClick="InsertCarrierType" /></FooterTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>

Whenever user clicked "Edit" linkbutton of Gridview that praticular row will display in edit mode in such a way that one of the column values will display in Dropdownlist.

My requirement is the default value of droupdownlist should be same value as value of that column when gridview is un editble mode.

Please any body help me to get my requirement.

Thanks
Uday