This is similar to Problem with column width after setting hierarchical binding list and Column.Width overwritten and MaxWidth ignored posts; however, my issue seem to have a little different approach.

I am binding the data in the Form_Load event, and trying to set max width for certain columns in the UltraGrid_InitializeLayout event. The MaxWidth is not being honored in this case and I am not sure why. Can someone please help shed some light on this?

private void ugResourcePlanning_InitializeLayout(object sender, InitializeLayoutEventArgs e)
 {
    try
    {
        Infragistics.Win.BindableValueList bvl;
        string column;
        int parent = sd._parentBand;
        int headerPos = 0;
        
        // Default setup
        sf.ugDefaultSetup(e, true, true, Activation.AllowEdit);
        // Adds an empty row to add a new entry
        e.Layout.Override.AllowAddNew = AllowAddNew.TemplateOnBottom;
        e.Layout.AutoFitStyle = AutoFitStyle.None;
        
        // Define columns.
        //// ID
        //// ***HIDDEN***
        column = sd._fldResourceManagementID;
        e.Layout.Bands[parent].Columns[column].Hidden = true;
                
        //// Project
        //// Caption: "Project"
        column = sd._fldResourceManagementProject;
        bvl = new Infragistics.Win.BindableValueList(Prototype.ddlGetProject(), "", "Value", "ID", ugResourcePlanning);
        //bvl.SelectedIndex = 0;
        e.Layout.Bands[parent].Columns[column].Header.Caption = "Project";
        e.Layout.Bands[parent].Columns[column].Header.VisiblePosition = headerPos++;
        e.Layout.Bands[parent].Columns[column].Style = Infragistics.Win.UltraWinGrid.ColumnStyle.DropDownList;
        e.Layout.Bands[parent].Columns[column].Width = 130;
        e.Layout.Bands[parent].Columns[column].ValueList = bvl;
        
        
        //// Resource
        //// Caption: "Resource"
        column = sd._fldResourceManagementResource;
        bvl = new Infragistics.Win.BindableValueList(Prototype.ddlGetResource(), "", "Value", "ID", ugResourcePlanning);
        e.Layout.Bands[parent].Columns[column].Header.Caption = "Resource";
        e.Layout.Bands[parent].Columns[column].Header.VisiblePosition = headerPos++;
        e.Layout.Bands[parent].Columns[column].Style = Infragistics.Win.UltraWinGrid.ColumnStyle.DropDownList;
        e.Layout.Bands[parent].Columns[column].MinWidth = e.Layout.Bands[parent].Columns[column].MaxWidth = 100;
        e.Layout.Bands[parent].Columns[column].ValueList = bvl;

        //// Group
        //// Caption: "Group"
        column = sd._fldResourceManagementGroup;
        bvl = new Infragistics.Win.BindableValueList(Prototype.ddlGetGroup(), "", "Value", "ID", ugResourcePlanning);
        e.Layout.Bands[parent].Columns[column].Header.Caption = "Group";
        e.Layout.Bands[parent].Columns[column].Header.VisiblePosition = headerPos++;
        e.Layout.Bands[parent].Columns[column].Style = Infragistics.Win.UltraWinGrid.ColumnStyle.DropDownList;
        e.Layout.Bands[parent].Columns[column].MinWidth = e.Layout.Bands[parent].Columns[column].MaxWidth = 80;
        e.Layout.Bands[parent].Columns[column].ValueList = bvl;
        
        //// Month 1 Planned
        //// Caption: {Set by function}
        column = sd._fldResourceManagementPlanned1;
        e.Layout.Bands[parent].Columns[column].Header.Caption = "Planned";
        e.Layout.Bands[parent].Columns[column].Header.VisiblePosition = headerPos++;
        e.Layout.Bands[parent].Columns[column].CellActivation =
        (_employee.IsAdministrator || _employee.IsClientRelationsManager)
        ? Activation.AllowEdit
        : Activation.NoEdit;
        e.Layout.Bands[parent].Columns[column].Format = "##%";
        e.Layout.Bands[parent].Columns[column].MaxWidth = 50;
        e.Layout.Bands[parent].Columns[column].AllowGroupBy = Infragistics.Win.DefaultableBoolean.False;
        ugSetSummary(e, column, typeof(int), "Sum1P");
        
        //// Month 1 Allocated
        //// Caption: {Set by function}
        column = sd._fldResourceManagementAllocated1;
        e.Layout.Bands[parent].Columns[column].Header.Caption = "Allocated";
        e.Layout.Bands[parent].Columns[column].Header.VisiblePosition = headerPos++;
        e.Layout.Bands[parent].Columns[column].CellActivation =
        (_employee.IsAdministrator || _employee.IsProjectManager || _employee.IsResourceManager)
        ? Activation.AllowEdit
        : Activation.NoEdit;
        e.Layout.Bands[parent].Columns[column].Format = "##%";
        e.Layout.Bands[parent].Columns[column].MinWidth = e.Layout.Bands[parent].Columns[column].MaxWidth = 50;
        ugSetSummary(e, column, typeof(int), "Sum1A");
        
        // Rinse and repeat for 5 more months
    }
    Catch (Exception ex) { /* do stuff... */ }
}
    
    // Sets the Summary
public static void ugSetSummary(InitializeLayoutEventArgs e, string column, Type dataType, string SummaryKey,Infragistics.Win.HAlign align = Infragistics.Win.HAlign.Left)
{
        if (!e.Layout.Bands[sd._parentBand].Summaries.Exists(SummaryKey))
        {
            Type dt = e.Layout.Rows[0].Cells[column].Value.GetType();
            SummarySettings summary;
            summary = e.Layout.Bands[sd._parentBand].Summaries.Add(SummaryKey, SummaryType.Sum, e.Layout.Bands[sd._parentBand].Columns[column]);

            if (dt == typeof(double))
            {
                summary.DisplayFormat = "{0:F2}";
            }
            else if (dt == typeof(int))
            {
                summary.DisplayFormat = "{0:G}";
            }
            
            summary.Appearance.TextHAlign = align;
            e.Layout.Override.SummaryDisplayArea = SummaryDisplayAreas.Bottom;
    }
}
private void ugSetColumnGroups()
 {
    UltraGridBand band = ugResourcePlanning.DisplayLayout.Bands[sd._parentBand];
    band.RowLayoutStyle = RowLayoutStyle.GroupLayout;
    
    UltraGridGroup firstGroup = band.Groups.Add("First Group", "");
    UltraGridGroup firstMonth = band.Groups.Add("Month 1", "July");
    UltraGridGroup firstMonth = band.Groups.Add("Month 1", "August");
    UltraGridGroup lastGroup = band.Groups.Add("Last Group", "");
    
    band.Columns[sd._fldResourceManagementProject].RowLayoutColumnInfo.ParentGroup = firstGroup;
    band.Columns[sd._fldResourceManagementResource].RowLayoutColumnInfo.ParentGroup = firstGroup;
    band.Columns[sd._fldResourceManagementGroup].RowLayoutColumnInfo.ParentGroup = firstGroup;
    band.Columns[sd._fldResourceManagementPlanned1].RowLayoutColumnInfo.ParentGroup = firstMonth;
    band.Columns[sd._fldResourceManagementCopy].RowLayoutColumnInfo.ParentGroup = lastGroup;
    
    firstMonth.Width = 100; 
}
private void FormManagement_Load(object sender, EventArgs e)
 {
    try
    {
        // Setup UltraGrid
        ugResourcePlanning.DataSource = Prototype.ugGetResourcePlanning();
        ugSetColumnGroups();
    }
    catch (Exception ex) { sd.g_oErr.PersistDisplay(ex, true); }
}