Questions on UI for ASP.NET AJAX Forum

1 answer

913 views

What is the CORRECT way to handle null values in a RadGrid Column...

I am using WCF Dataservices so I have hierarchical data...Some of my values are coming back with null and I am getting "Input String was not in a correct format"...I am trying to handle the null values in the radgrid_ItemDatabound, but I am still having problems...How SHOULD I be handling null values in the radgrid column.

RadGrid HTML:

<telerik:RadGrid ID="radgridCredits" runat="server"

AllowFilteringByColumn="True" 

AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False"

CellSpacing="0" 

GridLines="None" Height="270px"

OnNeedDataSource="radgridCredits_NeedDataSource" 

OnSelectedIndexChanged="radgridCredits_SelectedIndexChanged"

OnItemDataBound="radgridCredits_ItemDatabound" PageSize="100"

ShowGroupPanel="True" 

Visible="False"

Width="100%"> 

<ClientSettings

AllowDragToGroup="True"> 

<Scrolling AllowScroll="True" UseStaticHeaders="True"

/> 

</ClientSettings> 

<MasterTableView> 

<CommandItemSettings ExportToPdfText="Export to Pdf"

/> 

<Columns> 

<telerik:GridButtonColumn CommandName="Select" DataTextField="Show.Title"

FilterControlAltText="Filter column2

column"<BR>

HeaderText="Show" SortExpression="Show.Title"

UniqueName="column2"><BR

<HeaderStyle Width="25%"

/><BR

<ItemStyle Width="25%" VerticalAlign="Top"

/> 

</telerik:GridButtonColumn> 

<telerik:GridBoundColumn DataField="Show.Medium.name"

FilterControlAltText="Filter TalentColumn

column"<BR>

FilterControlWidth="50px" HeaderText="Media"

SortExpression="Show.Medium.name"<BR

UniqueName="TalentColumn"><BR

<HeaderStyle Width="9%"

/><BR

<ItemStyle VerticalAlign="Top" Width="9%"

/> 

</telerik:GridBoundColumn> 

<telerik:GridBoundColumn DataField="Craft.name" FilterControlAltText="Filter

column1

column"<BR>

FilterControlWidth="75px" HeaderText="Craft" SortExpression="Craft.name"

UniqueName="column1"><BR

<HeaderStyle Width="15%"

/><BR

<ItemStyle Width="15%" VerticalAlign="Top"

/> 

</telerik:GridBoundColumn> 

<telerik:GridBoundColumn DataField="Show.Project.us_bor"

DataFormatString="${C:0}" FilterControlAltText="Box

Office"<BR>

FilterControlWidth="50px" HeaderText="US BO(US$)"

SortExpression="Show.Project.us_bor"<BR

UniqueName="colBoxOffice"><BR

<HeaderStyle Width="8%"

/><BR

<ItemStyle Width="8%" VerticalAlign="Top"

/> 

</telerik:GridBoundColumn> 

<telerik:GridBoundColumn DataField="Show.Project.ProdHouse.name"

FilterControlAltText="Filter column3

column"<BR>

HeaderText="Production House" SortExpression="Show.Project.ProdHouse.name"

UniqueName="column3"><BR

<HeaderStyle Width="12%"

/><BR

<ItemStyle Width="12%" VerticalAlign="Top"

/> 

</telerik:GridBoundColumn> 

<telerik:GridBoundColumn DataField="comment" FilterControlAltText="Filter

column4

column"<BR>

HeaderText="Comment" SortExpression="comment"

UniqueName="colComment"><BR

<HeaderStyle Width="22%"

/><BR

<ItemStyle Width="22%" VerticalAlign="Top"

/> 

</telerik:GridBoundColumn> 

<telerik:GridBoundColumn DataField="Show.year" FilterControlAltText="Filter

column5

column"<BR>

FilterControlWidth="40px" HeaderText="Year" SortExpression="Show.year"

UniqueName="column5"><BR

<ItemStyle VerticalAlign="Top"

/> 

</telerik:GridBoundColumn> 

</Columns> 

<EditFormSettings> 

<EditColumn FilterControlAltText="Filter EditCommandColumn

column"> 

</EditColumn> 

</EditFormSettings> 

</MasterTableView> 

<FilterMenu

EnableImageSprites="False"> 

</FilterMenu> 

<HeaderContextMenu CssClass="GridContextMenu

GridContextMenu_Default"> 

</HeaderContextMenu> 

</telerik:RadGrid>

Here is my item databound event...

 protected void radgridCredits_ItemDatabound(object sender,

GridItemEventArgs e) 

{ 

try 

{ 

if ((e.Item.ItemType == Telerik.Web.UI.GridItemType.Item)

|| 

(e.Item.ItemType ==

Telerik.Web.UI.GridItemType.AlternatingItem)) 

{ 

if (e.Item is

GridDataItem) 

{ 

GridDataItem gridDataItem =

(GridDataItem)e.Item; 

Credit credit = (Credit)(e.Item.DataItem);

if (!credit.Show.title.ToLower().Contains("select a

talent")) 

{ 

if (credit.comment ==

null) 

{ 

gridDataItem["colComment"].Text =

""; 

} 

if (credit.Show.Project.us_bor ==

null) 

{ 

gridDataItem["colBoxOffice"].Text =

""; 

} 

} 

// Telerik.Web.UI.GridDataItem item = e.Item as

Telerik.Web.UI.GridDataItem; 

//Credit credit =

(Credit)e.Item.DataItem; 

//if

(credit.comment==null) 

//{ 

// credit.comment =

""; 

//} 

//if (credit.Show.Project.us_bor ==

null) 

//{ 

// credit.Show.Project.us_bor =

0m; 

//} 

//Get the "colDivision" cell value using the columnUniqueName.

 

//if (item["comment"].Text ==

null) 

//{ 

// item["comment"].Text =

""; 

//} 

}

 

}  catch

(Exception

ex) 

{ 

SiteMaster masterPage =

(SiteMaster)Page.Master; 

masterPage.SetAlertMessage("Error fetching Talent Credits: " +

ex.Message); 

return; 

} } 

Grid

answered on 29 Jun 2011

2 answers

132 views

format cell when exporting to csv

hi

i have enabled the csv option in the grid and i have a column which consists of data in this format 28:30 but when i export it to csv the data gets changed to 28:30:00 i need to display it as 28:30

General Discussions

answered on 29 Jun 2011

3 answers

117 views

Radgrid as search

I'm trying to use the Radgrid as a search form.

When the grid is first loaded, I want it to bring back zero records, but show the columns and their various filter boxes and the command item section. When a filter is selected, it then brings back the relevant records.

Currently, I am bringing back the full set of records, and then the user filters from there. I only want to bring back the records after a filter has been entered.

Thanks!

Grid

answered on 29 Jun 2011

1 answer

51 views

ScriptResource.axd error

Hi All,

I have updated Rad controller to AJAX ASP.NET after that i am getting java script error I have attached image . Please any help in this.

Thanks in advance.

General Discussions

answered on 29 Jun 2011

2 answers

78 views

RadGrid Paging with GridDropDownColumn

I have a control that has a Radgrid with three GridDropDownColumn as RadComboBox. I have been trying to enable paging for it and it works for all the other fields but this 3 fields. I'am assigning the Datatable that i use as datasource to the Viewstate and use the following code in the PageIndexChanged and NeedDataSource events:

if (ViewState["GridData"] != null)

{

grdCitasMasivas.DataSource = ViewState["GridData"];

grdCitasMasivas.Rebind();

}

What could i do to make the paging work for the GridDropDownColumn columns?

Grid

answered on 29 Jun 2011

1 answer

43 views

Skin built using style builder doenot render properly in IE

Hi,

I am using style builder to create my own set of skin for each rad controls. These custom skins for all controls including rad scheduler and rad splitter are set at application level in web config file.

Above Rad controls render properly in Firefox and Chrome but my application is a mess in Internet Explorer. How can I make application level custom skins compatible with all browsers?

Before using Custom Skins built using style builder, everything was working fine except for few minor issues. Now, radscheduler and splitter does not implement css rules in Internet Explorer.

Thanks,
Prava

General Discussions

answered on 29 Jun 2011

1 answer

113 views

Help me GridBinaryImageColumn ?

Hello, I code in below, but It not show images in SQL, it not show error. I was config in web.config. Help me

<telerik:GridBinaryImageColumn DataField="Hinh" DataType="System.String"></telerik:GridBinaryImageColumn>
<telerik:GridTemplateColumn>

BinaryImage

answered on 29 Jun 2011

4 answers

111 views

Custom skin on TreeList

Hi,

On the radTreeList set of demo pages there is a skin that appears to be based on the "Default" skin, it has red buttons. It works very well, are there plans to promote this to a full blown skin for all controls?

Also will it be possible in the future for a skin such as default to have some way of tweaking one colour value and have it change it's appearence on all controls.

As an example of what I mean, take for example the Default theme, mainly grey. If we had a session var set to red then all buttons on the theme would be based on a the red, change the session var to green and the buttons change to green.

This would be a tremendous aid for customising our systems for clients, say one client had their main corporate colour as green then simply change the session var to green for them. All relevant highlights on the theme would be green.

Yes we can create our own skins now but there is a major headache with each new release in that we need to test everything.... Having a setting like the one described would enable us to be always upto date.

Best Regards,

Jon

TreeList

answered on 29 Jun 2011

1 answer

213 views

Styling with no borders

Hi there,

I've been fighting with the radgrid styles for a while now, but I can't seem to find a way to do this: I'd like to have no outer border on a radgrid at all, but have vertical lines separating the columns. It seems I can either have a right border or a left border on each column, each of which results in a border on the outermost column. Any thoughts?

Thanks,
Eric

Grid

answered on 29 Jun 2011

3 answers

94 views

Return false from OnResponseEnd event handler

I'm trying to find out how to keep a page from posting back in an OnResponseEnd event handler. The following is my code for the event hanlder:

//event called after server code executes

function ResponseEnd(sender, args) {

var hid = document.getElementById("<%=hidReturn.ClientID %>"); //get value from hidden control which is set by server code

if (hid.value == "True") {

alert("You don't have all the required documents");

return false;

}

else

return true;

}

I see the alert box when the condition is met, but the return false statement does not prevent the page from continuing to process server-side code. I want it to stop right there-- any suggestions?

Ajax

answered on 29 Jun 2011