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[Solved] RadListView not showing at first on Update Panel

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ListView

This is a migrated thread and some comments may be shown as answers.

3 Answers, 1 is accepted

answered on 02 Sep 2011, 11:37 AM

Hi Rubenr,

Are you using RadScriptManager and RadAjaxManager to wrap the ListView? Note if you are using RadAjaxManager and RadAjaxPanel on wrap the same listview you might be getting this. Can you share the problematic code for better description?

Best wishes,
Stanislav Velikov
the Telerik team

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answered on 02 Sep 2011, 12:02 PM

Hi, the code is:

<asp:UpdatePanel ID="upSkills" runat="server">

<ContentTemplate>

<fieldset class = "thick">

<legend>Skills</legend>

<telerik:RadListView

ID="lstSkills"

runat="server"

DataKeyNames="Id"

DataSourceID = "odsSkill">

<LayoutTemplate>

<asp:PlaceHolder ID="ItemPlaceholder" runat="server"></asp:PlaceHolder>

</LayoutTemplate>

<ItemTemplate>

<div class = "skillRow">

<fieldset class = "subFieldset">

<div>

<legend>Skill criterion</legend>

<label class="rosterMultiRowDescription"><%# GetSkillName(Eval("Skill_Id").ToString()) %></label>

</div>

<div>

<legend>Minimum score to pass this section</legend>

<label class="rosterMultiRowDescription"><%# Eval("Points") %></label>

</div>

<span class="rosterMultiRowButtons">

<asp:LinkButton

ID="btnEdit"

runat="server"

Text="Edit"

OnClick="OdsSkills_ItemEditing"

CommandArgument='<%# Eval("Id") %>'

CommandName="Edit"

CausesValidation="false" />

<asp:LinkButton

ID="btnDelete"

runat="server"

Text="Delete"

CommandName="Delete"

OnClick="OdsSkills_Deleting"

CommandArgument='<%# Eval("Id") %>' />

</span>

</fieldset>

</div>

</ItemTemplate>

<EditItemTemplate>

<div class = "skillRow">

<fieldset class = "subFieldset">

<legend>Skill</legend>

<label>Skills:</label>

<telerik:RadTreeView

ID="rtvSkills"

runat="server"

OnInit="RtvSkills_OnInit"

OnLoad="RtvSkills_OnLoad"

OnNodeExpand="RtvSkills_NodeExpand"/>

<div class = "skillScoringPanel">

<fieldset class = "subSubFieldset">

<legend>Scoring</legend>

<div class = "skillYearsTable">

<telerik:RadListView

ID="lstScoringSkills"

runat="server"

DataKeyNames="Id"

OnCommand="LstScoringSkills_ItemCanceling" AllowMultiItemEdit = "true" AllowMultiItemSelection="true"

DataSourceID = "odsSkillCriterionRange">

<LayoutTemplate>

<asp:PlaceHolder ID="ItemPlaceholder" runat="server"></asp:PlaceHolder>

</LayoutTemplate>

<ItemTemplate>

<div>

<label>From</label

<asp:TextBox

ID="txtSkillYearsFrom"

CssClass="skillYearsTextbox"

runat="server"

Enabled="false"

Text=<%# Eval("From") %>>

</asp:TextBox>

<label>to</label>

<asp:TextBox

ID="txtSkillYearsTo"

CssClass="skillYearsTextbox"

runat="server"

Enabled="false"

Text=<%# Eval("To") %>>

</asp:TextBox>

<label>years of experience = </label>

<asp:TextBox

ID="txtSkillYearsPoints"

CssClass="pointsTextbox"

runat="server"

Enabled="false"

Text=<%# Eval("Points") %>>

</asp:TextBox>

<label>points</label>

<asp:LinkButton

ID="lnkEditSkillRange"

runat="server"

Text="Edit"

CommandName="Edit"

CausesValidation="false" />

<asp:LinkButton

ID="lnkDelete"

runat="server"

Text="Delete"

OnClick="LstScoringSkills_ItemDeleting"

CommandArgument='<%# Eval("Id") %>' />

</div>

</ItemTemplate>

<EditItemTemplate>

<div class = "skillYearsRow">

<label>From</label>

<asp:TextBox

ID="txtSkillYearsFrom"

CssClass="skillYearsTextbox"

runat="server"

Text=<%# Eval("From") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsFrom"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsFrom"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>to</label>

<asp:TextBox

ID="txtSkillYearsTo"

CssClass="skillYearsTextbox"

runat="server"

Text=<%# Eval("To") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsTo"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsTo"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>years of experience = </label>

<asp:TextBox

ID="txtSkillYearsPoints"

CssClass="pointsTextbox"

runat="server"

Text=<%# Eval("Points") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>points</label>

</div>

<asp:Button

ID="btnRangeSaveUpdateSkills"

runat="server"

Text="Update"

CommandArgument=<%# Eval("Id") %>

CommandName="Update"/>

<asp:Button

ID="btnCancelInsertSkillsRange"

runat="server"

Text="Cancel"

CausesValidation="false"

CommandName="Cancel"/>

</EditItemTemplate>

<InsertItemTemplate>

<div class = "skillYearsRow">

<label>From</label>

<asp:TextBox

ID="txtSkillYearsFrom"

CssClass="skillYearsTextbox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsFrom"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsFrom"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>to</label>

<asp:TextBox

ID="txtSkillYearsTo"

CssClass="skillYearsTextbox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsTo"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsTo"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>years of experience = </label>

<asp:TextBox

ID="txtSkillYearsPoints"

CssClass="pointsTextbox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>points</label>

</div>

<asp:Button

ID="btnRangeSaveUpdateSkills"

runat="server"

Text="Save"

CommandName="Update"/>

<asp:Button

ID="btnCancelInsertSkillsRange"

runat="server"

Text="Cancel"

CausesValidation="false"

CommandName="Cancel"/>

</InsertItemTemplate>

</telerik:RadListView>

<asp:LinkButton

ID="btnShowRangeSkillInsert"

runat="server"

Text="Add another range"

CssClass="addRowButton"

OnClick="BtnAddRangeSkill_Click" />

<div class = "skillYearsMinimum minPointsPanel">

<label>Minimum score to pass this section:</label>

<asp:TextBox

ID="txtFirstSkillMinPoints"

CssClass="pointsTextbox minScoreBox"

runat="server"

Text=<%# Eval("Points") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revFirstSkillMinPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtFirstSkillMinPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

</div>

</fieldset>

<asp:CustomValidator

id="cvValidateCurrentSkill"

runat="server"

OnServerValidate="ValidateCurrentSkill" >

</asp:CustomValidator>

</div>

<asp:Button

ID="btnSaveUpdate"

runat="server"

Text="Update"

CommandName="Update" />

<asp:Button

ID="btnCancelInsert"

runat="server"

Text="Cancel"

CausesValidation="false"

CommandName="Cancel" />

</fieldset>

</div>

</EditItemTemplate>

<InsertItemTemplate>

<div class = "skillRow">

<fieldset class = "subFieldset">

<legend>Skill</legend>

<label>Skills:</label>

<telerik:RadTreeView

ID="rtvSkills"

runat="server"

OnInit="RtvSkills_OnInit"

OnLoad="RtvSkills_OnLoad"

OnNodeExpand="RtvSkills_NodeExpand" />

<div class = "skillScoringPanel">

<fieldset class = "subSubFieldset">

<legend>Scoring</legend>

<div class = "skillYearsTable">

<telerik:RadListView

ID="lstScoringSkills"

runat="server"

DataKeyNames="Id"

OnCommand="LstScoringSkills_ItemCanceling"

DataSourceID = "odsSkillCriterionRange">

<LayoutTemplate>

<asp:PlaceHolder ID="ItemPlaceholder" runat="server"></asp:PlaceHolder>

</LayoutTemplate>

<ItemTemplate>

<div>

<label>From</label>

<asp:TextBox

ID="txtSkillYearsFrom"

CssClass="skillYearsTextbox"

runat="server"

Enabled="false"

Text=<%# Eval("From") %>>

</asp:TextBox>

<label>to</label>

<asp:TextBox

ID="txtSkillYearsTo"

CssClass="skillYearsTextbox"

runat="server"

Enabled="false"

Text=<%# Eval("To") %>>

</asp:TextBox>

<label>years of experience = </label>

<asp:TextBox

ID="txtSkillYearsPoints"

CssClass="pointsTextbox"

runat="server"

Enabled="false"

Text=<%# Eval("Points") %>>

</asp:TextBox>

<label>points</label>

<asp:LinkButton

ID="lnkEditSkillRange"

runat="server"

Text="Edit"

CommandName="Edit"

CausesValidation="false" />

<asp:LinkButton

ID="lnkDelete"

runat="server"

Text="Delete"

OnClick="LstScoringSkills_ItemDeleting"

CommandArgument='<%# Eval("Id") %>' />

</div>

</ItemTemplate>

<EditItemTemplate>

<div class = "skillYearsRow">

<label>From</label>

<asp:TextBox

ID="txtSkillYearsFrom"

CssClass="skillYearsTextbox"

runat="server"

Text=<%# Eval("From") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsFrom"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsFrom"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>to</label>

<asp:TextBox

ID="txtSkillYearsTo"

CssClass="skillYearsTextbox"

runat="server"

Text=<%# Eval("To") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsTo"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsTo"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>years of experience = </label>

<asp:TextBox

ID="txtSkillYearsPoints"

CssClass="pointsTextbox"

runat="server"

Text=<%# Eval("Points") %>>

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>points</label>

</div>

<asp:Button

ID="btnRangeSaveUpdateSkills"

runat="server"

Text="Update"

CommandArgument=<%# Eval("Id") %>

CommandName="Update"/>

<asp:Button

ID="btnCancelInsertSkillsRange"

runat="server"

Text="Cancel"

CausesValidation="false"

CommandName="Cancel"/>

</EditItemTemplate>

<InsertItemTemplate>

<div class = "skillYearsRow">

<label>From</label>

<asp:TextBox

ID="txtSkillYearsFrom"

CssClass="skillYearsTextbox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsFrom"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsFrom"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>to</label>

<asp:TextBox

ID="txtSkillYearsTo"

CssClass="skillYearsTextbox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsTo"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsTo"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>years of experience = </label>

<asp:TextBox

ID="txtSkillYearsPoints"

CssClass="pointsTextbox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revSkillYearsPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtSkillYearsPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<label>points</label>

</div>

<asp:Button

ID="btnRangeSaveUpdateSkills"

runat="server"

Text="Save"

CommandName="Update"/>

<asp:Button

ID="btnCancelInsertSkillsRange"

runat="server"

Text="Cancel"

CausesValidation="false"

CommandName="Cancel"/>

</InsertItemTemplate>

</telerik:RadListView

<asp:LinkButton

ID="btnShowRangeSkillInsert"

runat="server"

Text="Add another range"

CssClass="addRowButton"

OnClick="BtnAddRangeSkill_Click" />

<div class = "skillYearsMinimum minPointsPanel">

<label>Minimum score to pass this section:</label>

<asp:TextBox

ID="txtFirstSkillMinPoints"

CssClass="pointsTextbox minScoreBox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revFirstSkillMinPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtFirstSkillMinPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

</div>

</fieldset>

<asp:CustomValidator

id="cvValidateCurrentSkill"

runat="server"

OnServerValidate="ValidateCurrentSkill" >

</asp:CustomValidator>

</div>

<asp:Button

ID="btnSaveUpdate"

runat="server"

Text="Save"

CommandName="Update" />

<asp:Button

ID="btnCancelInsert"

runat="server"

Text="Cancel"

CausesValidation="false"

CommandName="Cancel" />

</fieldset>

</div>

</InsertItemTemplate>

<ItemSeparatorTemplate>

</ItemSeparatorTemplate>

</telerik:RadListView>

<div class = " minPointsPanel">

<label>Minimum score to pass this section:</label>

<asp:TextBox

ID="txtOverallMinSkillPoints"

CssClass="pointsTextbox minScoreBox"

runat="server">

</asp:TextBox>

<asp:RegularExpressionValidator

ID="revOverallMinSkillPoints"

runat="server"

Display="Dynamic"

ValidationExpression="\d+"

ControlToValidate="txtOverallMinSkillPoints"

CssClass="failureNotification"

Text="Only digits allowed">

</asp:RegularExpressionValidator>

<asp:Button

ID="btnSaveUpdateScreeningSetupSkills"

runat="server"

Text="Save"

OnClick="BtnSaveUpdateScreeningSetup_Click"/>

</div>

<asp:CustomValidator

id="cvSkills"

runat="server"

OnServerValidate="ValidateSkills">

</asp:CustomValidator>

<asp:LinkButton

ID="btnShowSkillInsert"

runat="server"

CommandName="Insert"

Text="Add Another Skill"

CausesValidation="false"

CssClass = "addRowButton"/>

</fieldset>

</ContentTemplate>

</asp:UpdatePanel>