hi,
I want to maintain checkbox state after paging
here is my code
in cs file
its works fine ... but when I change page index then selected state of check box not maintain.
please suggest me how to solve this problem.
I want to maintain checkbox state after paging
here is my code
<
telerik:RadGrid
ID
=
"grid1"
runat
=
"server"
AllowPaging
=
"True"
CssClass
=
"rgHeaderDiv"
AllowMultiRowSelection
=
"True"
AutoGenerateColumns
=
"False"
onneeddatasource
=
"grid1_NeedDataSource"
ShowFooter
=
"true"
GridLines
=
"None"
ShowGroupPanel
=
"True"
>
<
ClientSettings
AllowDragToGroup
=
"True"
>
<
Scrolling
AllowScroll
=
"true"
UseStaticHeaders
=
"true"
SaveScrollPosition
=
"true"
/>
</
ClientSettings
>
<
MasterTableView
AutoGenerateColumns
=
"false"
> <
FilterItemStyle
HorizontalAlign
=
"Left"
/>
<
FilterItemStyle
HorizontalAlign
=
"Left"
/>
<
Columns
>
<
telerik:GridTemplateColumn
UniqueName
=
"CheckBoxTemplateColumn"
HeaderStyle-Width
=
"5%"
>
<
ItemTemplate
>
<
asp:CheckBox
ID
=
"chk_ItemProperty"
runat
=
"server"
OnCheckedChanged
=
"chk_ItemProperty_CheckedChanged"
AutoPostBack
=
"True"
/>
</
ItemTemplate
>
<
HeaderTemplate
>
<
asp:CheckBox
ID
=
"chk_HeaderProperty"
runat
=
"server"
OnCheckedChanged
=
"chk_HeaderProperty_CheckedChanged"
AutoPostBack
=
"True"
/>
</
HeaderTemplate
>
</
telerik:GridTemplateColumn
>
<
telerik:GridBoundColumn
Display
=
"false"
DataField
=
"col"
DataType
=
"System.Int32"
HeaderText
=
"col"
FilterControlAltText
=
"Filter column column"
UniqueName
=
"col"
/>
<
telerik:GridBoundColumn
DataField
=
"Col1"
DataType
=
"System.Decimal"
HeaderText
=
"Col1"
FilterControlAltText
=
"Filter column column"
UniqueName
=
"Col1"
HeaderStyle-Width
=
"15%"
ItemStyle-HorizontalAlign
=
"Left"
HeaderStyle-HorizontalAlign
=
"Left"
/>
<
telerik:GridBoundColumn
DataField
=
"Col2"
DataType
=
"System.String"
HeaderText
=
"Col2"
FilterControlAltText
=
"Filter column column"
UniqueName
=
"Col2"
HeaderStyle-Width
=
"15%"
ItemStyle-HorizontalAlign
=
"Left"
HeaderStyle-HorizontalAlign
=
"Left"
/>
<
telerik:GridBoundColumn
DataField
=
"Col3"
DataType
=
"System.Int32"
HeaderText
=
"Col3"
FilterControlAltText
=
"Filter column column"
UniqueName
=
"Col3"
HeaderStyle-Width
=
"15%"
ItemStyle-HorizontalAlign
=
"Left"
HeaderStyle-HorizontalAlign
=
"Left"
/>
</
Columns
>
</
MasterTableView
>
</
telerik:RadGrid
>
protected
void
chk_ItemProperty_CheckedChanged(
object
sender, EventArgs e)
{
((sender
as
CheckBox).NamingContainer
as
GridItem).Selected = (sender
as
CheckBox).Checked;
bool
checkHeader =
true
;
foreach
(GridDataItem dataItem
in
grid1.MasterTableView.Items)
{
if
(!(dataItem.FindControl(
"chk_ItemProperty"
)
as
CheckBox).Checked)
{
checkHeader =
false
;
break
;
}
}
GridHeaderItem headerItem = gv_LeaseProperty1.MasterTableView.GetItems(GridItemType.Header)[0]
as
GridHeaderItem;
(headerItem.FindControl(
"chk_HeaderProperty"
)
as
CheckBox).Checked = checkHeader;
}
protected
void
chk_HeaderProperty_CheckedChanged(
object
sender, EventArgs e)
{
CheckBox headerCheckBox = (sender
as
CheckBox);
foreach
(GridDataItem dataItem
in
grid1.MasterTableView.Items)
{
(dataItem.FindControl(
"chk_ItemProperty"
)
as
CheckBox).Checked = headerCheckBox.Checked;
dataItem.Selected = headerCheckBox.Checked;
}
}
please suggest me how to solve this problem.