Editable GridViewBrowseColumn Value

[Alexander]

Hello,

Is there a possibility to change the value of a GridViewBrowseColumn after selecting a file with the file browser? (e.g. for replacing parts of the path with environment variables).

My current workaround for this is a editbale GridViewTextBoxColumn for the path and another GridViewCommandColumn right next to it, which opens a filebrowser for setting the value of the GridViewTextBoxColumn.

Thanks for help!

[Dess | Tech Support Engineer, Principal]

Hello Alexander,

Thank you for contacting Telerik Support.

It is possible to customize the browse editor value after selecting a file via custom GridBrowseEditor. Modify the value in the custom GridBrowseEditorElement.SaveValueFromDialog method:

public Form1()
{
    InitializeComponent();

    this.radGridView1.EditorRequired += radGridView1_EditorRequired;
}

private void radGridView1_EditorRequired(object sender, EditorRequiredEventArgs e)
{
    GridViewEditManager editManager = sender as GridViewEditManager;
    bool isGridBrowseEditor = e.EditorType == typeof(GridBrowseEditor);
    if (isGridBrowseEditor)
    {
        e.Editor = new MyBrowseEditor(editManager.GridViewElement.CurrentColumn.Name);
    }
}

public class MyBrowseEditor : GridBrowseEditor
{
    private string editorColumnName;

    public MyBrowseEditor(string columnName) : base()
    {
        this.editorColumnName = columnName;
    }

    protected override RadElement CreateEditorElement()
    {
        return new MyRadBrowseEditorElement(editorColumnName);
    }
}

public class MyRadBrowseEditorElement : GridBrowseEditorElement
{
    private string editorElementColumnName;

    public MyRadBrowseEditorElement(string editorColumnName) : base()
    {
        this.editorElementColumnName = editorColumnName;
    }

    protected override void SaveValueFromDialog()
    {
        //customize this.Value according to the specific requirement

        if (this.DialogType == BrowseEditorDialogType.OpenFileDialog)
        {
            OpenFileDialog dialog = Dialog as OpenFileDialog;

            if (dialog != null)
            {
                this.Value = dialog.FileName;
            }
        }
        else if (this.DialogType == BrowseEditorDialogType.FolderBrowseDialog)
        {
            FolderBrowserDialog dialog = Dialog as FolderBrowserDialog;

            if (dialog != null)
            {
                this.Value = dialog.SelectedPath;
            }
        }
        else if (this.DialogType == BrowseEditorDialogType.SaveFileDialog)
        {
            SaveFileDialog dialog = Dialog as SaveFileDialog;

            if (dialog != null)
            {
                this.Value = dialog.FileName;
            }
        }
        else if (this.DialogType == BrowseEditorDialogType.FontDialog)
        {
            FontDialog dialog = Dialog as FontDialog;

            if (dialog != null)
            {
                FontConverter fc = new FontConverter();
                this.Value = fc.ConvertToString(dialog.Font);
            }
        }
    }
}

I hope this information helps. Should you have further questions, I would be glad to help.

Regards,
Desislava
Telerik

[Alexander]

Thanks for the answer!

But i think I formulated my question wrong. I want the user to be able to change the path in the GridView in the UI, not programmatically.

[Dess | Tech Support Engineer, Principal]

Hello Alexander,

Thank you for writing back.

In order to enable the text box part for editing, you should set the GridBrowseEditorElement.ReadOnly property to false:

private void radGridView1_EditorRequired(object sender, EditorRequiredEventArgs e)
{
    GridViewEditManager editManager = sender as GridViewEditManager;
    bool isGridBrowseEditor = e.EditorType == typeof(GridBrowseEditor);
    if (isGridBrowseEditor)
    {
        GridBrowseEditor editor = new GridBrowseEditor();
        GridBrowseEditorElement el = editor.EditorElement as GridBrowseEditorElement;
        el.ReadOnly = false;
        e.Editor = editor;
    }
}

Please do not hesitate to contact us if you have any additional questions.

Regards,
Desislava
Telerik

[Alexander]

Thank you very much! :)
 
Now it works for me.