<asp:GridView ID="gvNewDisposeDealer" runat="server" AutoGenerateColumns="false"
                            AllowPaging="True" BorderColor="Silver" BorderStyle="Solid" BorderWidth="1px"
                            EmptyDataText="没有数据记录！！" AllowSorting="True" Height="111px" Width="764px">
                            <Columns>
                                <asp:BoundField DataField="Work_group_name" FooterText="公司信息" HeaderText="公司信息" HtmlEncode="False"
                                    SortExpression="公司信息" ItemStyle-Width ="400px"/>
                                <asp:BoundField DataField="cMemo" FooterText="业务员" HeaderText="业务员" HtmlEncode="False"
                                    SortExpression="业务员" />
                                <asp:BoundField DataField="cMaster" FooterText="处理状态" HeaderText="处理状态" HtmlEncode="False"
                                    SortExpression="处理状态" />
                            </Columns>
                            <AlternatingRowStyle BackColor="#E0E0E0" />
                        </asp:GridView>

ItemStyle-Width ="400px"为列宽