Problem with Parent / child gridview

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i'm little bit confusion about this ,

what is my requirement is i have a nested gridview in that parent grid i have a PK col, and in my child grid footer template i have a dropdown and textbox and Add linkButton.Click on Add button data has to be stored in temprory datatable.And that table i want to bind in my child Grid,

ParentGrid                                                 ChildGrid
Doc_No                                                 Material         Quantity
1                                                      pipes           10
                                                       cubes            2

now what is the issue is after inserting the first row of parent grid details,whenever i insert the 2nd row of parent grid values it's show like this

ParentGrid                                                 ChildGrid
Doc_No                                                 Material         Quantity
1                                                      pipes           10
                                                       cubes            2
2                                                      Pipes           10
                                                       cubes            2
                                                       piping           3

but in 2nd row i'm inserting only piping is 3 but in my temprory DataTable already i have Pipe's and cube's information .So, its displayed all the data in 2nd row.hara i want to try to filtering depending upon the PK col . for that i'm adding in my child grid one more col Doc_no.

Doc_No                                       Material  Quantity  Doc_no
1                                            Pipes      10        1
                                             cubes      2         1
2                                            Pipes      10        1
                                             cubes      2         1
                                             Piping     8         2

now, imagine if this is my temprory datatable , i do filtering the data depending upon the Doc_no col it's easy to displaying .This is my task .

can any one help me to solve this issue...

[edit]Changed question title to meaningful description - OriginalGriff[/edit]

Posted 30-Sep-12 23:57pm

pranathis012

Updated 1-Oct-12 0:50am

v3

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OriginalGriff 1-Oct-12 6:04am

Changed question title to meaningful description. Please do not use "Please Solve my Problem" or similar as it does not tell potential answerers what your problem is - that wastes time if they know nothing about gridviews. If you use a more descriptive title, you will get better focussed responses.

[no name] 1-Oct-12 6:07am

Thank u Griff, if u know about this problem. please solve my issue yar...

Samsani.v.s.Durga Prasad 2-Oct-12 0:05am

nested grid view will not be visible so how can we insert data

<div>
<asp:GridView runat="server" ID="gridParent" AutoGenerateColumns="false">
<columns>
<asp:TemplateField HeaderText="Parent Label">

<itemtemplate>

<asp:GridView runat="server" ID="gridChild">

<columns>

<asp:TemplateField HeaderText="Child Grid">

<itemtemplate>
<asp:Label runat="server" ID="lblMess" Text="This is child label">

<footertemplate>
<asp:TextBox runat="server" ID="txtDocNo">
<asp:TextBox runat="server" ID="txtQty">
<asp:Button runat="server" ID="btnSubmit" Text="Submit" />

</div>

i think we can find the gridchild (by using row.findcontrol("gridchild) but it will not be visible first time if the gridchild does not contains data

[no name] 2-Oct-12 11:31am

Please edit your comment by deleting white spaces.

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Samsani.v.s.Durga Prasad · Answer 1 · 2012-10-01T18:07:00

XML

<div>
           <asp:GridView runat="server" ID="gridParent" AutoGenerateColumns="false">
               <Columns>
                  <asp:TemplateField HeaderText="Parent Label">

                     <ItemTemplate>
                         <asp:GridView runat="server" ID="gridChild">

                               <Columns>

                                  <asp:TemplateField HeaderText="Child Grid">

                                     <ItemTemplate>
                                        <asp:Label runat="server" ID="lblMess" Text="This is child label"></asp:Label>
                                     </ItemTemplate>
                                      <FooterTemplate>
                                         <asp:TextBox runat="server" ID="txtDocNo"></asp:TextBox>
                                         <asp:TextBox runat="server" ID="txtQty"></asp:TextBox>
                                         <asp:Button runat="server" ID="btnSubmit" Text="Submit" />
                                      </FooterTemplate>

                                  </asp:TemplateField>

                               </Columns>
                         </asp:GridView>
                     </ItemTemplate>

                  </asp:TemplateField>
               </Columns>
           </asp:GridView>
       </div>