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James Pearson
630
Prevent User From Adding a Row to a Band in the Grid
posted

We have a situation where we have a grid that has three bands. If the user checks a box on the second band we do not want the user to be able to add a record to the third band. What would be the best way to accomplish that?

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  • 53790
    posted

    Hello James,

    Maybe you could achieve desired behavior using "CheckBoxVisibility" and AllowAddNew properties. Please take a look at the attached sample for more details. If you have any questions, do not hesitate to write us

    

    using System;
    

    using System.Collections.Generic;
    

    using System.ComponentModel;
    

    using System.Data;
    

    using System.Drawing;
    

    using System.Linq;
    

    using System.Text;
    

    using System.Windows.Forms;
    

     
    

    namespace UltraGridWithThreeBandsAddRows
    

    {
    

        public partial class Form1 : Form
    

        {
    

            public Form1()
    

            {
    

                InitializeComponent();
    

     
    

                ultraGrid1.DisplayLayout.Bands[0].Columns["A"].Header.CheckBoxVisibility = Infragistics.Win.UltraWinGrid.HeaderCheckBoxVisibility.Always;
    

                ultraGrid1.DisplayLayout.Bands[1].Columns["C"].Header.CheckBoxVisibility = Infragistics.Win.UltraWinGrid.HeaderCheckBoxVisibility.Always;
    

                ultraGrid1.DisplayLayout.Bands[2].Columns["E"].Header.CheckBoxVisibility = Infragistics.Win.UltraWinGrid.HeaderCheckBoxVisibility.Always;
    

     
    

     
    

                ultraGrid1.DisplayLayout.Bands[0].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TemplateOnBottom;
    

                ultraGrid1.DisplayLayout.Bands[1].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TemplateOnBottom;
    

                ultraGrid1.DisplayLayout.Bands[2].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TemplateOnBottom;
    

            }
    

     
    

            private void ultraGrid1_BeforeHeaderCheckStateChanged(object sender, Infragistics.Win.UltraWinGrid.BeforeHeaderCheckStateChangedEventArgs e)
    

            {
    

                switch (e.Column.Key)
    

                { 
    

                    case "A":
    

                        if (e.CurrentCheckState != CheckState.Checked)
    

                        {
    

                            ultraGrid1.DisplayLayout.Bands[1].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.No;
    

                            ultraGrid1.DisplayLayout.Bands[2].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.No;
    

                        }
    

                        else
    

                        {
    

                            ultraGrid1.DisplayLayout.Bands[1].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TemplateOnBottom;
    

                            ultraGrid1.DisplayLayout.Bands[2].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TemplateOnBottom;
    

                        }
    

     
    

                        break;
    

     
    

                    case "C":
    

                        if (e.CurrentCheckState != CheckState.Checked)
    

                        {
    

                            ultraGrid1.DisplayLayout.Bands[2].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.No;
    

                        }
    

                        else
    

                        {
    

                            ultraGrid1.DisplayLayout.Bands[2].Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TemplateOnBottom;
    

                        }
    

                        break;
    

     
    

                    case "D":
    

                        break;
    

                
    

                }
    

            }
    

        }
    

    }
    

     
    

     

    UltraGridWithThreeBandsAddRows.zip
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