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POHow do I update multiple Gridviews across multiple User Controls while the Gridviews and User Controls are inside Update Panels?
 

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  1. POHow do I update multiple Gridviews across multiple User Controls while the Gridviews and User Controls are inside Update Panels?
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    <p>I have a page with an ASP Place Holder wrapped in an Update Panel on it, I load a single User Control with another Place Holder wrapped in an Update Panel on it. I then load this newest Place Holder with multiple User Controls, each of which contains a Gridview wrapped in an Update Panel.</p> <p>The data in each Gridview is based on the data in "previous" Gridviews, so when the user edits a row the changes cascade down the Gridviews, this is where my problem lies. After clicking the save button nothing visibly happens (all rows in the database are updated correctly) until I click another button anywhere on the page at which point all the changes are visibly updated in the Gridviews.</p> <p>I've tried everything I can think of to fix this, no end of playing around with Update Panel options and positions, triggering an additional button click via JavaScript and any other solution I could find that seemed relevant, though none have got me any nearer to where I want to be.</p> <p>If I've managed to convey my problems in such a way that anyone can understand I'd be grateful for insight, please ask questions if you feels I've not described something intelligibly.</p> <p>Here are the three levels and page/user control/usercontrol:</p> <p>Page:</p> <pre><code>&lt;div id="divCustomerProductInput"&gt; &lt;asp:UpdatePanel ID="udpSalesOrders" runat="server" UpdateMode="Always"&gt; &lt;ContentTemplate&gt; &lt;asp:PlaceHolder ID="plhCsCustomerproductInput" runat="server"&gt;&lt;/asp:PlaceHolder&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; &lt;/div&gt; </code></pre> <p>First User Control loaded into the placeholder above:</p> <pre><code>&lt;asp:UpdatePanel ID="udpSalesOrders" runat="server" UpdateMode="Always" &gt; &lt;ContentTemplate&gt; &lt;asp:PlaceHolder runat="server" ID="plhProductionProcess"&gt;&lt;/asp:PlaceHolder&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; </code></pre> <p>Second User Control loaded into the placeholder above multiple times:</p> <pre><code>&lt;asp:UpdatePanel ID="udpPPI" runat="server" UpdateMode="Always"&gt; &lt;ContentTemplate&gt; &lt;%-- MANUFACTURE--%&gt; &lt;asp:GridView ID="gdvProductionProcessIngredients" AutoGenerateColumns="false" runat="server"&gt; &lt;Columns&gt; &lt;asp:TemplateField Visible="false"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="lblId" runat="server" Text='&lt;%# Eval("Id") %&gt;'&gt;&lt;/asp:Label&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Ingredient Description" ItemStyle-Width="21%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="txtIngredientDescription" runat="server" Text='&lt;%# Eval("IngredientDescription") %&gt;'&gt;&lt;/asp:Label&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Ingredient Code" ItemStyle-Width="14%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="txtIngredientCode" runat="server" Text='&lt;%# Eval("RmId") %&gt;'&gt;&lt;/asp:Label&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="From" ItemStyle-Width="10%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="txtParentDepartment" runat="server" Text='&lt;%# Eval("ParentDepartment") %&gt;'&gt;&lt;/asp:Label&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Quantity (%)" ItemStyle-Width="10%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:TextBox ID="txtQuantityKg" runat="server" Text='&lt;%# Eval("OldestAncestorQuantityPercent") %&gt;' ForeColor="Black"&gt;&lt;/asp:TextBox&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Input Cost / Kg (£)" ItemStyle-Width="13%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="lblCost" runat="server" Text='&lt;%# Eval("InputCostKg") %&gt;'&gt;&lt;/asp:Label&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Yield (%)" ItemStyle-Width="10%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:TextBox ID="txtYield" runat="server" Text='&lt;%# Eval("Yield") %&gt;' ForeColor="Black"&gt;&lt;/asp:TextBox&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Output Cost / Kg (£)" ItemStyle-Width="14%" ControlStyle-Width="95%"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="lblCostPerKg" runat="server" Text='&lt;%# Eval("OutputCostKg") %&gt;'&gt;&lt;/asp:Label&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField ItemStyle-Width="6%" ControlStyle-Width="95%" ItemStyle-HorizontalAlign="Center"&gt; &lt;ItemTemplate&gt; &lt;asp:Button ID="btnDeleteIngredient" CommandName="REMOVE" CommandArgument='&lt;%# Eval("Id") %&gt;' CssClass="btn danger hover" runat="server" Text="Remove" /&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;/Columns&gt; &lt;/asp:GridView&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; </code></pre> <p>Ok, here's the binding and updating code:</p> <pre><code> Dim myCsProductProductionProcessIngredients As New v2.Model.CsProductProductionProcessIngredientCollection myCsProductProductionProcessIngredients.LoadByPPPId(_ProductProductionProcessId) Me.gdvProductionProcessIngredients.DataSource = myCsProductProductionProcessIngredients Me.gdvProductionProcessIngredients.DataBind() Me.udpPPI.Update() </code></pre> <p>Thanks, Korv</p>
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