asked on

hide link button and disable

I am using a telerik grid so that I can use detail tables. What i am having trouble with is getting the value of a cell and depending on that value disabling the link button on the same row. So currently whent he grid loads nothing is changed even though a couple link buttons should be hidden, but when I click on one and it posts back all the link butons disapear. What am I doing wrong here and why does it not work on grid load.

Protected Sub myIssueGrid_ItemDataBound(sender As Object, e As Telerik.Web.UI.GridItemEventArgs) Handles myIssueGrid.ItemDataBound
If e.Item.OwnerTableView.Name = "myIssueGrid" Then
If TypeOf e.Item Is GridDataItem Then
Dim Item As GridDataItem = DirectCast(e.Item, GridDataItem)
Dim lbl As TableCell = Item("strTransaction")
Dim Trans As LinkButton = DirectCast(Item.FindControl("lnkTransfer"), LinkButton)
Dim tType As Label = DirectCast(Item.FindControl("lbltranstype"), Label)
Dim image As Image = DirectCast(Item.FindControl("imgReturn"), Image)
Dim type As Integer

Type = Convert.ToInt32(tType.Text)

If type = 6 Or tType.Text = "TRANSFER" Then Either one of these should work
Trans.Enabled = False
image.Visible = False
End If
End If
End If
End Sub

HainKurt

" link butons disapear" but in the code it says disable it, not hide it...

or I could not get the issue...

kdeutsch

ASKER

Hi,

I am just trying to get it to do something. Right not it does nto even disable itself. I can still click on it and it still shows my popup that comes up, so its not even getting disabled.

SOLUTION

HainKurt

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kdeutsch

ASKER

hi,
I have tried both, it seemd to not even get into the main grid. Something interesting though is I put the same code to the detailsTable grid that is a sub grid and the code works just fine. It is really wierd, I made sure all my names where right and looked at case sensitivity becuase sometimes telerik controls can be case sensitive.

If e.Item.OwnerTableView.Name = "myReIssueGrid" Then
If TypeOf e.Item Is Telerik.Web.UI.GridDataItem Then
Dim item As Telerik.Web.UI.GridDataItem = DirectCast(e.Item, Telerik.Web.UI.GridDataItem)
Dim cancel As LinkButton = DirectCast(item.FindControl("lnkCancel"), LinkButton)
Dim Accept As LinkButton = DirectCast(item.FindControl("lnkAccept"), LinkButton)
Dim lbl As TableCell = item("strTransaction")
Dim Trans As Label = DirectCast(item.FindControl("lbltrans"), Label)
Dim TransTo As Integer

TransTo = Convert.ToInt32(Trans.Text)

If lbl.Text = "TRANSFER" Then
If TransTo = Convert.ToInt32(HFPersId.Value) Then
Accept.Enabled = False
Accept.Text = Nothing
End If
End If
End If
End If

 <telerik:RadGrid ID="myIssueGrid" runat="server" Width="95%" BorderWidth="1px" CellPadding="6" GridLines="None" BorderColor="#404040" Skin="Web20">
                                    <MasterTableView AutoGenerateColumns="false" DataKeyNames="intIssuedID" HierarchyDefaultExpanded="false" HierarchyLoadMode="ServerBind" 
                                        BorderColor="#404040" Font-Size="12" Font-Names="Veranda,arial,sans-serif" HeaderStyle-HorizontalAlign="Center" 
                                        GridLines="Both" BorderWidth="1px" ExpandCollapseColumn-ButtonType="ImageButton" ExpandCollapseColumn-CollapseImageUrl="~/Images/30.png" 
                                        ExpandCollapseColumn-ExpandImageUrl="~/Images/29.png"><ItemStyle HorizontalAlign="Center" />
                                        <AlternatingItemStyle BackColor="#B0C4DE"  HorizontalAlign="Center" />
                                        <HeaderStyle ForeColor="White" Font-Bold="true" BorderColor="#404040" BorderWidth="1px" />
                                        <DetailTables>
                                            <telerik:GridTableView Name="myReIssueGrid" runat="server" DataKeyNames="intReIssueId, intTransTypeId" TableLayout="Fixed" BorderWidth="1px" CellPadding="6" Font-Size="10"
                                                AutoGenerateColumns="False" HeaderStyle-HorizontalAlign="Center" BorderColor="#404040" Font-Names="Veranda,arial,sans-serif" GridLines="Both" ExpandCollapseColumn-ButtonType="ImageButton"
                                                ExpandCollapseColumn-CollapseImageUrl="~/Images/30.png" ExpandCollapseColumn-ExpandImageUrl="~/Images/29.png">
                                                <ParentTableRelation>
                                                    <telerik:GridRelationFields DetailKeyField="intIssuedID" MasterKeyField="intIssuedID" />
                                                </ParentTableRelation>
                                                <HeaderStyle Font-Bold="true" HorizontalAlign="Center" CssClass="MostInnerHeaderStyle" />
                                                <ItemStyle CssClass="MostInnerItemStyle" HorizontalAlign="Center" />
                                                <AlternatingItemStyle CssClass="MostInnerAlernatingItemStyle" HorizontalAlign="Center" />
                                                <Columns>
                                                    <telerik:GridTemplateColumn HeaderText="Accept" ItemStyle-HorizontalAlign="Center">
                                                        <ItemTemplate>
                                                             <asp:LinkButton ID="lnkAccept" runat="server" CommandArgument='<%# bind("intReIssueId") %>' CommandName="Accept" Text="Accept"></asp:LinkButton>
                                                        </ItemTemplate>
                                                    </telerik:GridTemplateColumn>
                                                    <telerik:GridTemplateColumn HeaderText="Cancel" ItemStyle-HorizontalAlign="Center">
                                                        <ItemTemplate>
                                                             <asp:LinkButton ID="lnkCancel" runat="server" CommandArgument='<%# bind("intReIssueId") %>' CommandName="Cancel" Text="Cancel"></asp:LinkButton>
                                                              <asp:Label ID="lbltrans" runat="server" Text='<%# bind("intReIssueBy") %>' Visible="false"></asp:Label>
                                                        </ItemTemplate>
                                                    </telerik:GridTemplateColumn>
                                                    <telerik:GridBoundColumn DataField="IssueBy" HeaderText="ISSUED FROM" ItemStyle-Font-Size="Smaller" />
                                                    <telerik:GridBoundColumn DataField="IssueTo" HeaderText="ISSUED TO"  ItemStyle-Font-Size="Smaller" />
                                                    <telerik:GridBoundColumn DataField="dtIssue" HeaderText="DT_ISSUED" />
                                                    <telerik:GridBoundColumn DataField="strTransaction" HeaderText="STATUS" />
                                                    <telerik:GridBoundColumn DataField="dtSign" HeaderText="DT_SIGNED" />
                                                </Columns>
                                            </telerik:GridTableView>
                                        </DetailTables>
                                         <Columns>
                                             <telerik:GridTemplateColumn HeaderText="Transfer" ItemStyle-HorizontalAlign="Center">
                                                <ItemTemplate>
                                                        <asp:LinkButton ID="lnkTransfer" runat="server" CommandArgument='<%# bind("intIssuedID") %>' CommandName="Transfer">
                                                        <asp:Image ID="imgReturn" runat="server" ImageUrl="~/Images/Transfer.png" BorderStyle="None" /></asp:LinkButton>
                                                        <asp:Label ID="lbltranstype" runat="server" Text='<%# bind("intIssuedID") %>' Visible="false"></asp:Label>
                                                </ItemTemplate>
                                            </telerik:GridTemplateColumn>
                                            <telerik:GridBoundColumn HeaderText="SN" DataField="strSN" />
                                            <telerik:GridBoundColumn HeaderText="STATUS" DataField="strTransaction" />
                                            <telerik:GridBoundColumn HeaderText="ITEM" DataField="Item" />
                                            <telerik:GridBoundColumn HeaderText="DT_ISSUED" DataField="DT_Issued" />
                                            <telerik:GridBoundColumn HeaderText="DT_SIGNED" DataField="Dt_Signed" />
                                            <telerik:GridBoundColumn HeaderText="QTY" DataField="ftQTY" />
                                        </Columns>
                                    </MasterTableView>
                                </telerik:RadGrid>

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HainKurt

you should debug your code and see if it is working as intended...

put a break point on first line

>>>> BP here >>> If e.Item.OwnerTableView.Name = "myIssueGrid" Then

and see whats is wrong...

kdeutsch

ASKER

hi,

I just get a yello bar and it says return booleen but I don't see a value in there.

Nasir Razzaq

Press F10 and see what next line it goes to.

ASKER CERTIFIED SOLUTION

kdeutsch

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kdeutsch

ASKER

Soluiton as shown