George, I suspect that you don't use the correct settings in WebGridColumn for the html editing purpose. AFAIK, the ColumnType should be set to Custom and there could be more settings. Try to look at Handy's sample.

- James

Michael,

It appears that the OnBeforeXXX and OnAfterXXX for editing-type operations will be fired only in normal updating mode (non batch updating).

I think the reason is because batch update has its own specific events such as OnAcceptAllChanges, OnAddPendingChanges, OnUndoChanges and OnUndoAllChanges which supercede the basic editing events.

Hope this helps, 
James.

Hello Eric,

After investigating your code further, it appears that you implement the ValueList in incorrect event. Instead of initializing the value list in PrepareDataBinding, you should place it in InitializeLayout event to ensure the value list is initialized when needed.

Code sample:

protected void WebGrid2_InitializeLayout(object sender, LayoutEventArgs e)
    {
        WebValueList vLang = null;
        WebGridColumn languageColumn = WebGrid2.RootTable.Columns.GetNamedItem("CultureCode");
        if (languageColumn != null)
            vLang = languageColumn.ValueList;
        
        if (vLang != null)
        {
            // setup valuelist data
            vLang.DataTextField = "CultureCodeDescription";
            vLang.DataValueField = "CultureCodeId";
            if (!vLang.IsDataCached())
            {
                DataTable dt = new DataTable("Languages");
                SqlDataAdapter theLanguages = new SqlDataAdapter();
                SqlConnection conn = new SqlConnection(SqlDataSource1.ConnectionString);
                try
                {
                    string queryLangs = "SELECT CultureCodeId, CultureCodeDescription FROM Culture";
                    theLanguages.SelectCommand = new SqlCommand(queryLangs, conn);
                    theLanguages.Fill(dt);
                }
                finally { if (conn.State == ConnectionState.Open) { conn.Close(); } }
                vLang.DataSource = dt;
            }
        }
    }

Let me know if that works for you.

- James.

Yes, I'm aware about the _moz input textbox. It appears to be used in the editing mode, which is internally used by the WebGrid. I also think hiding it would cause certain error in your web pages, which is not recommended.

It'll be great if you can reproduce the issue consistently in a simple webform, and attach it here. I'll help to look at your issue. Thanks.