lookupedit allow null value

However, I was unable to set the ItemIndex to -1 or dwn.220.v.ua to null. I...

However, I was unable to set the ItemIndex to -1 or dwn.220.v.ua to null. I did set the properties allow null value but it always point to the first.

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I paced a lookupedit control on a form. I set the datasource, display membe...

I paced a lookupedit control on a form. I set the datasource, display member and value member properties. The control works perfectly.

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To allow an end-user to set the editor's value to null set the dwn.220...

To allow an end-user to set the editor's value to null set the dwn.220.v.uaullInput property to dwn.220.v.uatBoolean.

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NET, Platform: WPF, Product: DXGrid for WPF, Type: Question, Subject: How t...

NET, Platform: WPF, Product: DXGrid for WPF, Type: Question, Subject: How to allow an end-user to set the Null value for LookUpEdit's.

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LookupEdit and TextEdt not allowing null inputs. dwn.220.v.ua fields allow ...

LookupEdit and TextEdt not allowing null inputs. dwn.220.v.ua fields allow null. For example, try to assign the null value to data fields directly.

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I am using a lookupedit (windows forms) and have allow null input set to tr...

I am using a lookupedit (windows forms) and have allow null input set to true. When the control is intialized the value is set to null by default.

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I want to add a null Entry (or empty Entry) to the LookupEdit so that user ...

I want to add a null Entry (or empty Entry) to the LookupEdit so that user Is there any other way to select / input a null value in a LookupEdit?

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Our goal is show a default value to LookUpEdit control and allow null input...

Our goal is show a default value to LookUpEdit control and allow null input. And clean the display text whenever select the empty row. Thanks.

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NET, Platform: WinForms, Product: XtraGrid Suite, Type: Question, Subject: ...

NET, Platform: WinForms, Product: XtraGrid Suite, Type: Question, Subject: How to prevent LookUpEdit from allowing a null value through.

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Add(new MyItem("[empty]", null)); // AllowNullInput = true ; Look...

Add(new MyItem("[empty]", null)); // AllowNullInput = true ; LookUpEditName. EditValue = null; to clear the value.

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LookupEdit is mean to provide list of data from the linked datasource, so, ...

LookupEdit is mean to provide list of data from the linked datasource, so, to clear the items you can set its DataSource property to null.

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How to allow an end-user to set the Null value for LookUpEdit's EditVa...

How to allow an end-user to set the Null value for LookUpEdit's EditValue property [DevExpress Support Team: CLONED FROM T LookupEdit To achieve this.

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In Combobox Mode, a LookUpEdit and GridLookUpEdit controls can act as a sta...

In Combobox Mode, a LookUpEdit and GridLookUpEdit controls can act as a standard AcceptEditorTextAsNewValue properties should be set to a value that allows NullText = "(select or type value)"; string[] colors = new string[] { "Yellow".

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The way to allow Null values with DateTimePicker is with an ugly and Both L...

The way to allow Null values with DateTimePicker is with an ugly and Both LookUpEdit and GridControl allow binding to a List of class.

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I have the LookUpEdit bound to my I choose has a null value the LookUpEdit....

I have the LookUpEdit bound to my I choose has a null value the LookUpEdit. List T accepts null as a valid value for reference types and allows duplicate.

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