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我有一个网格视图内的网格视图。当我点击编辑父网格视图时，子网格视图显示一个复选框。当我点击子网格视图的下一页按钮时，可见的控件再次变得不可见。这不是我需要的行为。我希望通过单击编辑使可见的控件通过分页的子网格视图保持可见，而父网格视图处于编辑模式。通过分页嵌套gridview保留控件的可见属性
我的标记：
<asp:GridView
ID="grdImages"
runat="server"
AllowPaging="true"
ShowFooter="true"
PageSize="5"
AutoGenerateColumns="false"
OnPageIndexChanging="grdImages_PageIndexChanging"
OnRowCancelingEdit="grdImages_RowCancelingEdit"
OnRowCommand="grdImages_RowCommand"
OnRowEditing="grdImages_RowEditing"
OnRowUpdating="grdImages_RowUpdating"
OnRowDeleting="grdImages_RowDeleting"
EmptyDataText="No Data Available at this Time"
OnRowDataBound="grdImages_RowDataBound"
DataKeyNames="productID" RowStyle-VerticalAlign="Top" RowStyle-HorizontalAlign="Center">
<AlternatingRowStyle BackColor="White" ForeColor="#284775"></AlternatingRowStyle>
<Columns>
<asp:TemplateField AccessibleHeaderText="Product ID" HeaderText="Product ID" FooterText="Product ID">
<ItemTemplate>
<asp:Label ID="lblProdId" runat="server" Text='<%# Eval("ProductId") %>' ></asp:Label>
</ItemTemplate>
<FooterTemplate>
<asp:DropDownList ID="lstAddProdId" runat="server" AppendDataBoundItems="true" >
<asp:ListItem>Select a product</asp:ListItem>
</asp:DropDownList>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField AccessibleHeaderText="Product Main Image" FooterText="Product Main Image" HeaderText="Product Main Image">
<ItemTemplate>
<asp:Label ID="lblMainImgId" runat="server" Text='<%# Eval("ImageId") %>' ></asp:Label>
<asp:Label ID="lblMainImgName" runat="server" Text='<%# Eval("ImageName") %>' ></asp:Label> <br />
<asp:Image ID="imgMain" runat="server" Height="250" Width="250" ImageUrl='<%# Eval("ImagePath") %>' />
</ItemTemplate>
<EditItemTemplate>
<asp:Label runat="server" Font-Bold="true" Text="Current main image" ></asp:Label> <br />
<asp:Image ID="imgMain" runat="server" Height="250" Width="250" ImageUrl='<%# Eval("ImagePath") %>' /> <br />
<asp:Label runat="server" Font-Bold="true" Text="Upload a new image to replace the current main image." ></asp:Label> <br />
<asp:FileUpload ID="flupEditMain" runat="server" />
</EditItemTemplate>
<FooterTemplate>
<asp:FileUpload ID="flupMain" runat="server" AllowMultiple="false" />
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField AccessibleHeaderText="Supporting Images" FooterText="Supporting Images" HeaderText="Supporting Images">
<ItemTemplate>
<asp:Label ID="lblSupImages" runat="server" Visible="false" Font-Bold="true" Text="Select images to delete"></asp:Label><br />
<asp:GridView
ID="grdSupImages"
runat="server"
ShowHeader="false"
CellPadding="4"
ForeColor="#333333"
GridLines="None"
AutoGenerateColumns="False"
AllowPaging="true"
PageSize="4"
OnPageIndexChanging="grdSupImages_PageIndexChanging"
OnRowEditing="grdSupImages_RowEditing"
EnableViewState="true"
DataKeyNames="productID"
RowStyle-VerticalAlign="Top"
RowStyle-HorizontalAlign="Center"
EmptyDataText="No Supporting Images Found">
<AlternatingRowStyle BackColor="White" ForeColor="#284775"></AlternatingRowStyle>
<Columns>
<asp:TemplateField >
<ItemTemplate>
<asp:Image ID="imgSup" runat="server" ToolTip='<%# Eval("ImgId") %>' AlternateText='<%# Eval("ImageName") %>' ImageUrl='<%# Eval("ImagePath") %>' Height="125" Width="125" />
<asp:Label ID="imgSupName" runat="server" Text='<%# Eval("ImageName") %>' AssociatedControlID="imgSup"></asp:Label>
<asp:CheckBox ID="chkSupImages" runat="server" Visible="false" Text="Select Image" CommandName="Select" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<EditRowStyle BackColor="#999999"></EditRowStyle>
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White"></FooterStyle>
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White"></HeaderStyle>
<PagerStyle HorizontalAlign="Center" BackColor="#284775" ForeColor="White"></PagerStyle>
<RowStyle BackColor="#F7F6F3" ForeColor="#333333"></RowStyle>
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333"></SelectedRowStyle>
<SortedAscendingCellStyle BackColor="#E9E7E2"></SortedAscendingCellStyle>
<SortedAscendingHeaderStyle BackColor="#506C8C"></SortedAscendingHeaderStyle>
<SortedDescendingCellStyle BackColor="#FFFDF8"></SortedDescendingCellStyle>
<SortedDescendingHeaderStyle BackColor="#6F8DAE"></SortedDescendingHeaderStyle>
</asp:GridView>
<div style="clear:both;"> </div>
<asp:Label ID="lblFlupSupImages" runat="server" Font-Bold="true" Text="Add extra images" Visible="false" />
<br />
<asp:FileUpload ID="flupSupImages" runat="server" AllowMultiple="true" Visible="false" />
</ItemTemplate>
<FooterTemplate>
<asp:FileUpload ID="flupExtra" runat="server" AllowMultiple="true" />
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Edit">
<ItemTemplate>
<asp:LinkButton ID="btnEdit" Text="Edit" runat="server" CommandName="Edit" />
<br />
<span onclick="return confirm('Are you sure you want to delete these images?')">
<asp:LinkButton ID="btnDelete" Text="Delete" runat="server" CommandName="Delete" />
</span>
</ItemTemplate>
<EditItemTemplate>
<asp:LinkButton ID="btnUpdate" Text="Update" runat="server" CommandName="Update" />
<br />
<asp:LinkButton ID="btnCancel" Text="Cancel" runat="server" CommandName="Cancel" />
</EditItemTemplate>
<FooterTemplate>
<asp:Button ID="btnAddRecord" runat="server" Text="Add" CommandName="Add"></asp:Button>
</FooterTemplate>
</asp:TemplateField>
</Columns>
<EditRowStyle BackColor="#999999"></EditRowStyle>
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White"></FooterStyle>
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White"></HeaderStyle>
<PagerStyle HorizontalAlign="Center" BackColor="#284775" ForeColor="White"></PagerStyle>
<RowStyle BackColor="#F7F6F3" ForeColor="#333333"></RowStyle>
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333"></SelectedRowStyle>
<SortedAscendingCellStyle BackColor="#E9E7E2"></SortedAscendingCellStyle>
<SortedAscendingHeaderStyle BackColor="#506C8C"></SortedAscendingHeaderStyle>
<SortedDescendingCellStyle BackColor="#FFFDF8"></SortedDescendingCellStyle>
<SortedDescendingHeaderStyle BackColor="#6F8DAE"></SortedDescendingHeaderStyle>
</asp:GridView>
我后面的代码：
protected void grdImages_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
GridView grd = (GridView)e.Row.FindControl("grdSupImages"); // find controls
Label prodId = (Label)e.Row.FindControl("lblProdId");
grd.ToolTip = prodId.Text;
int product = Convert.ToInt32(prodId.Text); // assign values to variables.
BindNestedGrid(product, grd); // call the function.
}
if (e.Row.RowType == DataControlRowType.DataRow && e.Row.RowIndex == grdImages.EditIndex)
{
//Find Child GridView
GridView supImagesGrd = (GridView)e.Row.Cells[2].FindControl("grdSupImages");
if (supImagesGrd != null)
{
// find grid header label and make visible
Label gridHead = (Label)e.Row.Cells[2].FindControl("lblSupImages");
gridHead.Visible = true;
// find fileupload header label and make visible.
Label fileUpHead = (Label)e.Row.Cells[2].FindControl("lblFlupSupImages");
fileUpHead.Visible = true;
// find fileupload control and make it visible.
FileUpload flup = (FileUpload)e.Row.Cells[2].FindControl("flupSupImages");
flup.Visible = true;
//Loop through the GridView
foreach (GridViewRow row in supImagesGrd.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
//Find the CheckBox
CheckBox chb = (CheckBox)row.Cells[0].FindControl("chkSupImages");
if (chb != null)
{
chb.Visible = true;
}
}
}
}
}
}
protected void grdSupImages_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView gv = (GridView)sender;
gv.PageIndex = e.NewPageIndex;
BindNestedGrid(Convert.ToInt32(gv.ToolTip), gv);
}
如果需要更多的信息或代码，请让我知道。
又一次，SO一直没有帮助。我开始认为没有人看到我的问题。这一直在发生在我身上。当我最终解决我的问题时，我会将其作为答案张贴，然后我可能永远不会再访问此网站 – 2015-04-10 15:31:58
也代表我编辑我的问题非常烦人，尤其是当这些编辑删除我的先发制人的感谢。如果你不打算帮忙，然后把你的编辑留给你自己 – 2015-04-10 15:35:44
首先，我想同意编辑（将2个句子变成跑道句并除去你的感谢）是不需要的，我会也让他们感到不安。其次，当您询问有关容易识别的问题的具体问题时，SO的工作效果最佳。这个问题（在我看来）太大了。如果您可以生成重现错误并删除无关事件的示例项目，则某人可以复制该代码并运行它并重现您的问题。那么你会更有可能得到答案。事实上，现在，它需要大量的努力来帮助你。 – DeadZone 2015-04-10 16:28:43