<asp:GridView ID="gv_Thirdgc_all_multiline" runat="server" AutoGenerateColumns="False"
EnableModelValidation="True" CssClass="listtable" EnableTheming="false" Width="100%">
<Columns>
<asp:TemplateField HeaderText="<span id="TitleName">费用科目</span><span id="lbsign0" style="font-weight: 700; color: #FF0000">*</span>">
<ItemTemplate>
<input size="7" type="text" id="txtCostSubject_<%# Container.DataItemIndex + 1 %>"
name="txtCostSubject_<%# Container.DataItemIndex + 1 %>" class="txtinput width100 required txtCostSubject"
value="<%#GeFatherNameById(Eval("D_KeMu").ToString())%>-<%#Eval("S_SubjectName") %>"
readonly="readonly">
<img id="img4" src="../../../Images/show.jpg" style="cursor: hand;" onclick="show(5,1,"_<%# Container.DataItemIndex + 1 %>")" />
<input type="hidden" name="txtCostSubjectID_<%# Container.DataItemIndex + 1 %>" id="txtCostSubjectID_<%# Container.DataItemIndex +
1 %>" value="<%#Eval("D_KeMu") %>" />
<input type="hidden" name="txtYSubjectID_<%# Container.DataItemIndex + 1 %>" id="txtYSubjectID_<%# Container.DataItemIndex + 1 %>"
value="<%#Eval("D_YSKeMu") %>" />
<input type="hidden" name="txtKSubjectID_<%# Container.DataItemIndex + 1 %>" id="txtKSubjectID_<%# Container.DataItemIndex + 1 %>"
value="<%#Eval("D_KJKeMu") %>" />
<input type="hidden" name="num" value="<%#Container.DataItemIndex+1%>" />
</ItemTemplate>
</asp:TemplateField></Columns>
</asp:GridView>
这是一小部分代码 本人截了一列 

解决方案
20
数据库连接正常么?