Hello,
i have performance problem with RadGridView. My project uses RadGridView with only 1000 items but with many columns. I tried all i can to resolve the problem without success.
Some specials, i have 2 customized columns, use normal CheckBox and normal TextBox of microsoft. I need them to implement One-Click-Edit function easily.
The problem is that,
1.) the scrollbar is very slow, even though i have only 1000 items.
2.) i always got debug error, when i scroll the GridView. The error info looks like that:
I attached my project, please check, wheather i have done something wrong.
Link:
http://www.file-upload.net/download-8291326/RadGridViewPerformance.zip.html
Thanks a lot!
Ivan
i have performance problem with RadGridView. My project uses RadGridView with only 1000 items but with many columns. I tried all i can to resolve the problem without success.
Some specials, i have 2 customized columns, use normal CheckBox and normal TextBox of microsoft. I need them to implement One-Click-Edit function easily.
The problem is that,
1.) the scrollbar is very slow, even though i have only 1000 items.
2.) i always got debug error, when i scroll the GridView. The error info looks like that:
System.Windows.Data Information:
41
: BindingExpression path error:
'IsChecked'
property not found for
'object'
because data item is null. This could happen because the data provider has not produced any data yet. BindingExpression:Path=IsChecked; DataItem=null; target element is
'CheckBox'
(Name=
''
); target property is
'IsChecked'
(type
'Nullable`1'
)
System.Windows.Data Information:
20
: BindingExpression cannot retrieve value due to missing information. BindingExpression:Path=IsChecked; DataItem=null; target element is
'CheckBox'
(Name=
''
); target property is
'IsChecked'
(type
'Nullable`1'
)
System.Windows.Data Information:
21
: BindingExpression cannot retrieve value from null data item. This could happen when binding is detached or when binding to a Nullable type that has no value. BindingExpression:Path=IsChecked; DataItem=null; target element is
'CheckBox'
(Name=
''
); target property is
'IsChecked'
(type
'Nullable`1'
)
System.Windows.Data Information:
41
: BindingExpression path error:
'Property1'
property not found for
'object'
because data item is null. This could happen because the data provider has not produced any data yet. BindingExpression:Path=Property
1
; DataItem=null; target element is
'TextBox'
(Name=
''
); target property is
'Text'
(type
'String'
)
System.Windows.Data Information:
20
: BindingExpression cannot retrieve value due to missing information. BindingExpression:Path=Property
1
; DataItem=null; target element is
'TextBox'
(Name=
''
); target property is
'Text'
(type
'String'
)
System.Windows.Data Information:
21
: BindingExpression cannot retrieve value from null data item. This could happen when binding is detached or when binding to a Nullable type that has no value. BindingExpression:Path=Property
1
; DataItem=null; target element is
'TextBox'
(Name=
''
); target property is
'Text'
(type
'String'
)
I attached my project, please check, wheather i have done something wrong.
Link:
http://www.file-upload.net/download-8291326/RadGridViewPerformance.zip.html
Thanks a lot!
Ivan