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3550
Exception while loading definitions
posted

var YAHOO = {'Shortcuts' : {}}; if (typeof YAHOO == "undefined") { var YAHOO = {}; } YAHOO.Shortcuts = YAHOO.Shortcuts || {}; YAHOO.Shortcuts.hasSensitiveText = false; YAHOO.Shortcuts.sensitivityType = []; YAHOO.Shortcuts.doUlt = false; YAHOO.Shortcuts.location = "us"; YAHOO.Shortcuts.document_id = 0; YAHOO.Shortcuts.document_type = ""; YAHOO.Shortcuts.document_title = "\u00d7\u0092\u00d7\u00a8\u00d7\u0099\u00d7\u0093"; YAHOO.Shortcuts.document_publish_date = ""; YAHOO.Shortcuts.document_author = "gilad.sefti@mailpoalim.co.il"; YAHOO.Shortcuts.document_url = ""; YAHOO.Shortcuts.document_tags = ""; YAHOO.Shortcuts.document_language = ""; YAHOO.Shortcuts.annotationSet = { "lw_1244631662_0": { "text": "System.IO", "extended": 0, "startchar": 973, "endchar": 981, "start": 973, "end": 981, "extendedFrom": "", "predictedCategory": "", "predictionProbability": "0", "weight": 1, "relScore": 0, "type": ["shortcuts:/us/place/virtual/web_site"], "category": ["IDENTIFIER"], "wikiId": "", "relatedWikiIds": [], "relatedEntities": [], "showOnClick": [], "context": "System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using Infragistics.Win.UltraWinGrid; using Infragistics.Win; namespace CheckRestore { public partial class Form1", "metaData": { "visible": "true" } } }; YAHOO.Shortcuts.headerID = "37507dfe6be42058ab7eeb8524771f76";

I get an exception when loading definitions.

"Object reference not set to an instace of an object."

It seems the problem is when applying condition definitions, Otherwise there is no problem.

I attach the sample.

 

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using Infragistics.Win.UltraWinGrid;
using Infragistics.Win;

namespace CheckRestore
{
    public partial class Form1 : Form
    {

        MemoryStream savedStream = new MemoryStream();
        public Form1()
        {
            InitializeComponent();
        }

        private void btnSaveDefs_Click(object sender, EventArgs e)
        {
            savedStream = new MemoryStream();
            ultraGrid1.DisplayLayout.Save(savedStream, PropertyCategories.Bands);
        }

        private void btnLoadDefs_Click(object sender, EventArgs e)
        {
            savedStream.Seek(0, 0);
            ultraGrid1.DisplayLayout.Load(savedStream, PropertyCategories.Bands);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            List<Item> ls = new List<Item>();
            ls.Add(new Item(0));
            ls.Add(new Item(1));
            ultraGrid1.DataSource = ls;

        }

        private void ultraGrid1_InitializeLayout(object sender, InitializeLayoutEventArgs e)
        {
            UltraGridBand band = e.Layout.Bands[0];
            Infragistics.Win.Appearance appearanceRed = new Infragistics.Win.Appearance();
            appearanceRed.ForeColor = Color.Red;

            OperatorCondition conditionRed = new OperatorCondition(ConditionOperator.LessThanOrEqualTo, 0);
            ConditionValueAppearance valAppearanceAvailable = new ConditionValueAppearance();
            valAppearanceAvailable.Add(conditionRed, appearanceRed);
            band.Columns["Num"].ValueBasedAppearance = valAppearanceAvailable;

        }
    }
    public class Item
    {
        public Item(int num)
        {
            mNum = num;
        }
        private int mNum;

        public int Num
        {
            get { return mNum; }
            set { mNum = value; }
        }

    }
}

namespace CheckRestore
{
    partial class Form1
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            Infragistics.Win.Appearance appearance4 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance1 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance2 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance3 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance12 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance7 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance6 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance5 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance9 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance11 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance10 = new Infragistics.Win.Appearance();
            Infragistics.Win.Appearance appearance8 = new Infragistics.Win.Appearance();
            this.ultraGrid1 = new Infragistics.Win.UltraWinGrid.UltraGrid();
            this.btnSaveDefs = new System.Windows.Forms.Button();
            this.btnLoadDefs = new System.Windows.Forms.Button();
            ((System.ComponentModel.ISupportInitialize)(this.ultraGrid1)).BeginInit();
            this.SuspendLayout();
            //
            // ultraGrid1
            //
            appearance4.BackColor = System.Drawing.SystemColors.Window;
            appearance4.BorderColor = System.Drawing.SystemColors.InactiveCaption;
            this.ultraGrid1.DisplayLayout.Appearance = appearance4;
            this.ultraGrid1.DisplayLayout.BorderStyle = Infragistics.Win.UIElementBorderStyle.Solid;
            this.ultraGrid1.DisplayLayout.CaptionVisible = Infragistics.Win.DefaultableBoolean.False;
            appearance1.BackColor = System.Drawing.SystemColors.ActiveBorder;
            appearance1.BackColor2 = System.Drawing.SystemColors.ControlDark;
            appearance1.BackGradientStyle = Infragistics.Win.GradientStyle.Vertical;
            appearance1.BorderColor = System.Drawing.SystemColors.Window;
            this.ultraGrid1.DisplayLayout.GroupByBox.Appearance = appearance1;
            appearance2.ForeColor = System.Drawing.SystemColors.GrayText;
            this.ultraGrid1.DisplayLayout.GroupByBox.BandLabelAppearance = appearance2;
            this.ultraGrid1.DisplayLayout.GroupByBox.BorderStyle = Infragistics.Win.UIElementBorderStyle.Solid;
            appearance3.BackColor = System.Drawing.SystemColors.ControlLightLight;
            appearance3.BackColor2 = System.Drawing.SystemColors.Control;
            appearance3.BackGradientStyle = Infragistics.Win.GradientStyle.Horizontal;
            appearance3.ForeColor = System.Drawing.SystemColors.GrayText;
            this.ultraGrid1.DisplayLayout.GroupByBox.PromptAppearance = appearance3;
            this.ultraGrid1.DisplayLayout.MaxColScrollRegions = 1;
            this.ultraGrid1.DisplayLayout.MaxRowScrollRegions = 1;
            appearance12.BackColor = System.Drawing.SystemColors.Window;
            appearance12.ForeColor = System.Drawing.SystemColors.ControlText;
            this.ultraGrid1.DisplayLayout.Override.ActiveCellAppearance = appearance12;
            appearance7.BackColor = System.Drawing.SystemColors.Highlight;
            appearance7.ForeColor = System.Drawing.SystemColors.HighlightText;
            this.ultraGrid1.DisplayLayout.Override.ActiveRowAppearance = appearance7;
            this.ultraGrid1.DisplayLayout.Override.BorderStyleCell = Infragistics.Win.UIElementBorderStyle.Dotted;
            this.ultraGrid1.DisplayLayout.Override.BorderStyleRow = Infragistics.Win.UIElementBorderStyle.Dotted;
            appearance6.BackColor = System.Drawing.SystemColors.Window;
            this.ultraGrid1.DisplayLayout.Override.CardAreaAppearance = appearance6;
            appearance5.BorderColor = System.Drawing.Color.Silver;
            appearance5.TextTrimming = Infragistics.Win.TextTrimming.EllipsisCharacter;
            this.ultraGrid1.DisplayLayout.Override.CellAppearance = appearance5;
            this.ultraGrid1.DisplayLayout.Override.CellClickAction = Infragistics.Win.UltraWinGrid.CellClickAction.EditAndSelectText;
            this.ultraGrid1.DisplayLayout.Override.CellPadding = 0;
            appearance9.BackColor = System.Drawing.SystemColors.Control;
            appearance9.BackColor2 = System.Drawing.SystemColors.ControlDark;
            appearance9.BackGradientAlignment = Infragistics.Win.GradientAlignment.Element;
            appearance9.BackGradientStyle = Infragistics.Win.GradientStyle.Horizontal;
            appearance9.BorderColor = System.Drawing.SystemColors.Window;
            this.ultraGrid1.DisplayLayout.Override.GroupByRowAppearance = appearance9;
            appearance11.TextHAlignAsString = "Left";
            this.ultraGrid1.DisplayLayout.Override.HeaderAppearance = appearance11;
            this.ultraGrid1.DisplayLayout.Override.HeaderClickAction = Infragistics.Win.UltraWinGrid.HeaderClickAction.SortMulti;
            this.ultraGrid1.DisplayLayout.Override.HeaderStyle = Infragistics.Win.HeaderStyle.WindowsXPCommand;
            appearance10.BackColor = System.Drawing.SystemColors.Window;
            appearance10.BorderColor = System.Drawing.Color.Silver;
            this.ultraGrid1.DisplayLayout.Override.RowAppearance = appearance10;
            this.ultraGrid1.DisplayLayout.Override.RowSelectors = Infragistics.Win.DefaultableBoolean.False;
            appearance8.BackColor = System.Drawing.SystemColors.ControlLight;
            this.ultraGrid1.DisplayLayout.Override.TemplateAddRowAppearance = appearance8;
            this.ultraGrid1.DisplayLayout.ScrollBounds = Infragistics.Win.UltraWinGrid.ScrollBounds.ScrollToFill;
            this.ultraGrid1.DisplayLayout.ScrollStyle = Infragistics.Win.UltraWinGrid.ScrollStyle.Immediate;
            this.ultraGrid1.DisplayLayout.ViewStyleBand = Infragistics.Win.UltraWinGrid.ViewStyleBand.OutlookGroupBy;
            this.ultraGrid1.Location = new System.Drawing.Point(28, 73);
            this.ultraGrid1.Name = "ultraGrid1";
            this.ultraGrid1.Size = new System.Drawing.Size(606, 232);
            this.ultraGrid1.TabIndex = 0;
            this.ultraGrid1.Text = "ultraGrid1";
            this.ultraGrid1.InitializeLayout += new Infragistics.Win.UltraWinGrid.InitializeLayoutEventHandler(this.ultraGrid1_InitializeLayout);
            //
            // btnSaveDefs
            //
            this.btnSaveDefs.Location = new System.Drawing.Point(44, 30);
            this.btnSaveDefs.Name = "btnSaveDefs";
            this.btnSaveDefs.Size = new System.Drawing.Size(97, 23);
            this.btnSaveDefs.TabIndex = 1;
            this.btnSaveDefs.Text = "Save definitions";
            this.btnSaveDefs.UseVisualStyleBackColor = true;
            this.btnSaveDefs.Click += new System.EventHandler(this.btnSaveDefs_Click);
            //
            // btnLoadDefs
            //
            this.btnLoadDefs.Location = new System.Drawing.Point(236, 30);
            this.btnLoadDefs.Name = "btnLoadDefs";
            this.btnLoadDefs.Size = new System.Drawing.Size(97, 23);
            this.btnLoadDefs.TabIndex = 2;
            this.btnLoadDefs.Text = "Load definitions";
            this.btnLoadDefs.UseVisualStyleBackColor = true;
            this.btnLoadDefs.Click += new System.EventHandler(this.btnLoadDefs_Click);
            //
            // Form1
            //
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(672, 317);
            this.Controls.Add(this.btnLoadDefs);
            this.Controls.Add(this.btnSaveDefs);
            this.Controls.Add(this.ultraGrid1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.ultraGrid1)).EndInit();
            this.ResumeLayout(false);

        }

        #endregion

        private Infragistics.Win.UltraWinGrid.UltraGrid ultraGrid1;
        private System.Windows.Forms.Button btnSaveDefs;
        private System.Windows.Forms.Button btnLoadDefs;
    }
}