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Show validation messages on formview pageindex changing event

Posted on 2010-11-10
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Last Modified: 2012-05-10
I am updating the current record on the pageindexchanging event on my formview if the page is valid.  If it is not valid I would like it to show the validation control messages where data is not valid; like how it works when you click the Update button.  I'm not sure what command I need to use to do this.  My current code is attached.
Protected Sub fvProjects2_PageIndexChanging(ByVal sender As System.Object, ByVal e As System.Web.UI.WebControls.FormViewPageEventArgs) Handles fvProjects2.PageIndexChanging

        Page.Validate()


        If Page.IsValid Then
            fvProjects2.UpdateItem(True)
        Else


        End If




    End Sub

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Question by:imstac73
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5 Comments
 
LVL 28

Expert Comment

by:sammySeltzer
ID: 34105940
       If Page.IsValid Then
            fvProjects2.UpdateItem(True)
        Else
           lblMessage.Visible = True
            lblMessage.Text = "data is not valid."
            lblMessage.ForeColor = System.Drawing.Color.Red
        End If

Then you create the label on the input form.

That's how I would do it but there are folks here who may have better ideas.
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LVL 28

Expert Comment

by:sammySeltzer
ID: 34106235
This would be the label on input

<FORM...

<asp:Label ID="lblMessage" runat="server" Text="Result:" Visible="false"></asp:Label>
</FORM>
Sorry I forgot it
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Author Comment

by:imstac73
ID: 34106305
I already have multiple validation controls in my form.  How do I get it to only make visible  the validation controls where the control value that it validates is invalid?  Here is my edititemtemplate.

<EditItemTemplate>
        
            <table cellpadding="0" width="900" cellspacing="0" border="0">
            <tr valign="top">
                <td width="20%"></td>
                <td width="60%" align="center"><PagerSettings FirstPageText="First" LastPageText="Last" Mode="NextPreviousFirstLast"
            NextPageText="Next" PageButtonCount="100" PreviousPageText="Previous" /></td>
                 <td width="20%" align="right">  
                 <div style="width:115px;">
                <div class="linkbutton-l"><asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="True" CommandName="Update"
                Text="Update"></asp:LinkButton></div>
                <div class="linkbutton-r"> 
                <asp:LinkButton ID="LinkButton3" runat="server" CausesValidation="False" CommandName="Cancel"
                Text="Cancel"></asp:LinkButton></div>
                    <div class="clear"></div>
                    </div>
                
                </td>
            </tr>
            </table><br />
            
            <table class="projects" width="900" cellpadding="0" cellspacing="0">
                <tr>
                    <td class="header" style="width: 250px">
                        Priority:</td>
                    <td class="details" style="width: 292px">
                        <asp:DropDownList ID="ddl_priority" runat="server" SelectedValue='<%# Bind("Priority") %>'>
                            <asp:ListItem>1</asp:ListItem>
                            <asp:ListItem>2</asp:ListItem>
                            <asp:ListItem>3</asp:ListItem>
                            <asp:ListItem>4</asp:ListItem>
                            <asp:ListItem>5</asp:ListItem>
                        </asp:DropDownList></td>
                    <td class="header" style="width:250px">
                        Win Probability:</td>
                    <td class="details">
                        <asp:DropDownList ID="ddl_winprob" runat="server" SelectedValue='<%# Bind("Win_Probability") %>'>
                            <asp:ListItem Value="20" Selected="True">20%</asp:ListItem>
                            <asp:ListItem Value="40">40%</asp:ListItem>
                            <asp:ListItem Value="60">60%</asp:ListItem>
                            <asp:ListItem Value="80">80%</asp:ListItem>
                        </asp:DropDownList>
                        <asp:Label ID="Label11" runat="server" CssClass="requiredfield" Text="*"></asp:Label></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px">
                        Project Name:</td>
                    <td class="details" style="width: 292px">
                        <asp:TextBox ID="ProjectNameTextBox" runat="server" Text='<%# Bind("ProjectName") %>'
                            Width="246px" Height="33px" TextMode="MultiLine"></asp:TextBox>
                        <asp:Label ID="Label19" runat="server" CssClass="requiredfield" Text="*"></asp:Label></td>
                    <td class="header" style="width: 147px">
                        Est. Value:</td>
                    <td class="details">
                        <asp:TextBox ID="Est_ValueTextBox" runat="server" Text='<%# Bind("Est_Value") %>'
                            Width="64px"></asp:TextBox>
                        <asp:Label ID="Label18" runat="server" CssClass="requiredfield" Text="*"></asp:Label>
                        <strong>Million<asp:CompareValidator
                            ID="cvEstValue" runat="server" ControlToValidate="Est_ValueTextBox" CssClass="errormessages"
                            Display="Dynamic" ErrorMessage="Estimated Value must be greater than 0. " Operator="GreaterThanEqual"
                            SetFocusOnError="True" Type="Double" ValidationGroup="Errors" ValueToCompare="0.0"
                            Width="100%"></asp:CompareValidator></strong></td>
                </tr>
                <tr>
                    <td class="header">
                        Project Description:</td>
                    <td class="details">
                        <asp:TextBox ID="ProjectDescriptionTextBox" runat="server" Height="60px" Text='<%# Bind("ProjectDescription") %>'
                            Width="300px" MaxLength="100" TextMode="MultiLine"></asp:TextBox><br />
                        <cc1:TextBoxCounter ID="tboxcounterdescription" runat="server" Font-Bold="True" ForeColor="#000000"
                            MaxCharacterLength="1000" TextBoxControlId="ProjectDescriptionTextBox" Width="300px" DataFormatString="Character Max. {5}; {3} remaining" />
                    </td>
                    <td class="header" style="width: 147px; height: 48px">
                        Owner:</td>
                    <td class="details" style="height: 48px">
                        <asp:DropDownList ID="ddl_owner" runat="server" DataSourceID="SqlDataOwners" DataTextField="Owner"
                            DataValueField="OwnerID" SelectedValue='<%# Bind("OwnerID") %>' Width="216px">
                        </asp:DropDownList></td>
                </tr>
                <tr>
                    <td class="header">
                        Comments/Next Steps:</td>
                    <td class="details" colspan="3">
                        <asp:TextBox ID="CommentsTextBox" runat="server" Height="60px" Text='<%# Bind("Comments") %>'
                            Width="720px" MaxLength="500" TextMode="MultiLine"></asp:TextBox><br />
                        <cc1:TextBoxCounter ID="tboxcountercomments" runat="server" Font-Bold="True" ForeColor="#000000"
                            MaxCharacterLength="500" TextBoxControlId="commentstextbox" Width="300px" DataFormatString="Character Max. {5}; {3} remaining" />
                    </td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        Location:</td>
                    <td class="details" style="width: 292px; height: 20px">
                        <asp:TextBox ID="LocationTextBox" runat="server" Text='<%# Bind("Location") %>' Width="261px"></asp:TextBox></td>
                    <td class="header" style="width: 147px; height: 20px">
                        Market:</td>
                    <td class="details" style="height: 20px">
                        <asp:DropDownList ID="ddl_market" runat="server" DataSourceID="SqlDataMarkets" DataTextField="Market"
                            DataValueField="MarketID" SelectedValue='<%# Bind("MarketID") %>' Width="224px">
                        </asp:DropDownList></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        Bid Release Date:</td>
                    <td class="details" style="width: 292px; height: 20px">
                        <cc2:DatePicker ID="date_bidrelease" runat="server" CalendarPosition="DisplayRight"
                            DateValue='<%# Bind("Bid_ReleaseDate") %>' />
                        &nbsp;<asp:Label ID="Label20" runat="server" CssClass="requiredfield" Text="*"></asp:Label>                      
                        <br />
                        <asp:CompareValidator ID="cvbidrelease" runat="server" ControlToValidate="date_bidrelease"
                            CssClass="errormessages" Display="Dynamic" ErrorMessage="Bid Release Date must be a valid date (mm/dd/yyyy)"
                            Operator="DataTypeCheck" Type="Date" SetFocusOnError="True"></asp:CompareValidator>
                    </td>
                    <td class="header" style="width: 147px; height: 20px">
                        Est. Bid Date:</td>
                    <td class="details" style="height: 20px">
                        <cc2:DatePicker ID="dpbiddate" runat="server" CalendarPosition="DisplayRight" DateValue='<%# Bind("Est_BidDate") %>' />
                        <asp:Label ID="Label21" runat="server" CssClass="requiredfield" Text="*"></asp:Label>
                        <br />
                        <asp:CompareValidator ID="cvbiddate" runat="server" ControlToValidate="dpbiddate"
                            CssClass="errormessages" Display="Dynamic" ErrorMessage="Est. Bid Date must be a valid date format (mm/dd/yyyy)."
                            Operator="DataTypeCheck" Type="Date" SetFocusOnError="True"></asp:CompareValidator></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        Est. Const. Start Date:</td>
                    <td class="details" style="width: 292px; height: 20px">
                        <cc2:DatePicker ID="date_startdate" runat="server" CalendarPosition="DisplayRight"
                            DateValue='<%# Bind("Est_StartDate") %>' />
                        <asp:Label ID="Label22" runat="server" CssClass="requiredfield" Text="*"></asp:Label><br />
                        <asp:CompareValidator ID="cvconstartdate" runat="server" ControlToValidate="date_startdate"
                            CssClass="errormessages" Display="Dynamic" ErrorMessage="Est. Bid Date must be a valid date format (mm/dd/yyyy)."
                            Operator="DataTypeCheck" Type="Date" SetFocusOnError="True"></asp:CompareValidator></td>
                    <td class="header" style="width: 147px; height: 20px">
                        Construction
                        <br />
                        Duration:</td>
                    <td class="details" style="height: 20px">
                        <asp:TextBox ID="tboxconduration" runat="server" Width="58px" Text='<%# Bind("Est_Duration", "{0:N1}") %>'></asp:TextBox>
                        <asp:Label ID="Label23" runat="server" CssClass="requiredfield" Text="*"></asp:Label>
                        <strong>Months<br />
                            <asp:RequiredFieldValidator ID="rvduration" runat="server" ControlToValidate="tboxconduration"
                                CssClass="errormessages" Display="Dynamic" ErrorMessage="Construction Duration is required." SetFocusOnError="True"></asp:RequiredFieldValidator>
                            <asp:CompareValidator ID="cvconduration" runat="server" ControlToValidate="tboxconduration"
                                CssClass="errormessages" Display="Dynamic" ErrorMessage="Construction Duration must be greater than 0."
                                Operator="GreaterThan" Type="Double" ValueToCompare="0.0" SetFocusOnError="True"></asp:CompareValidator></strong></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        Branch Office:</td>
                    <td class="details" style="width: 292px; height: 20px">
                        <asp:DropDownList ID="ddl_branch" runat="server" DataSourceID="SqlDataOffice"
                            DataTextField="Branch_Office" DataValueField="Branch_OfficeID" SelectedValue='<%# Bind("BranchOfficeID") %>'
                            Width="224px">
                        </asp:DropDownList></td>
                    <td class="header" style="width: 147px; height: 20px">
                        Sponsor:</td>
                    <td class="details" style="height: 20px">
                        <asp:DropDownList ID="ddl_sponsor" runat="server" DataSourceID="SqlDataSponsors"
                            DataTextField="Sponsor" DataValueField="SponsorInitials" SelectedValue='<%# Bind("SponsorID") %>'
                            Width="229px">
                        </asp:DropDownList></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        CM/GC:</td>
                    <td class="details" style="width: 292px; height: 20px">
                        <asp:TextBox ID="CM_GCTextBox" runat="server" Text='<%# Bind("CM_GC") %>' Width="286px"></asp:TextBox></td>
                    <td class="header" style="width: 147px; height: 20px">
                        Architect/<br />
                        Engineer:</td>
                    <td class="details" style="height: 20px">
                        <asp:TextBox ID="Architect_EngineerTextBox" runat="server" Text='<%# Bind("Architect_Engineer") %>'
                            Width="270px"></asp:TextBox></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        Construction Type:</td>
                    <td class="details" style="width: 292px; height: 20px">
                        <asp:ListBox ID="lbox_ConstructionType" runat="server" Width="195px" DataSourceID="SqlDataConstructionTypes" DataTextField="Construction_Type" DataValueField="Construction_Type" Height="84px"></asp:ListBox><br />
                        <strong>Hold Ctrl or Shift button to select multiple values.</strong></td>
                    <td class="header" style="width: 147px; height: 20px">
                        Scope:</td>
                    <td class="details" style="height: 20px">
                        <asp:TextBox ID="ScopeTextBox" runat="server" Height="31px" Text='<%# Bind("Scope") %>'
                            Width="238px"></asp:TextBox>
                        <asp:TextBox ID="ModifiedDateTextBox"
                    runat="server" Text='<%# Bind("ModifiedDate") %>' Visible="False" Width="56px"></asp:TextBox><asp:TextBox
                        ID="ModifiedByTextBox" runat="server" ReadOnly="True" Text='<%# Bind("ModifiedBy") %>'
                        Visible="False"></asp:TextBox></td>
                </tr>
                <tr>
                    <td class="header" style="width: 168px; height: 20px">
                        Status:</td>
                    <td class="details" colspan="3" style="height: 20px">
                        <asp:DropDownList ID="ddl_status" runat="server" DataSourceID="SqlDataStatuses"
                            DataTextField="Status" DataValueField="ProjectStatusID" SelectedValue='<%# Bind("StatusID") %>'
                            Width="230px">
                        </asp:DropDownList></td>
                </tr>
            </table>
            <div style="width:115px; float:right;">
                <div class="linkbutton-l"><asp:LinkButton ID="UpdateButton" runat="server" CausesValidation="True" CommandName="Update"
                Text="Update"></asp:LinkButton></div>
                <div class="linkbutton-r"> 
                <asp:LinkButton ID="UpdateCancelButton" runat="server" CausesValidation="False" CommandName="Cancel"
                Text="Cancel"></asp:LinkButton></div>
                    <div class="clear"></div>
                    </div>        
           
            
        </EditItemTemplate>

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Accepted Solution

by:
imstac73 earned 0 total points
ID: 34159715
To fix this I added custom navigation buttons to my pagertemplate and set causes validation to true.
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Author Closing Comment

by:imstac73
ID: 34186457
Prior comments did not resolve the issue I was having.
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