SourceGrid - Open Source C# Grid Control

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace DemoProject
{
	/// <summary>
	/// Summary description for frmPerformance.
	/// </summary>
	public class frmPerformance : System.Windows.Forms.Form
	{
		private SourceGrid.Grid grid1;
		private System.Windows.Forms.Button btLoad;
		private System.Windows.Forms.TextBox txtRow;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox txtCol;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmPerformance()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(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()
		{
			this.grid1 = new SourceGrid.Grid();
			this.btLoad = new System.Windows.Forms.Button();
			this.txtRow = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.txtCol = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// grid1
			// 
			this.grid1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.grid1.BackColor = System.Drawing.Color.White;
			this.grid1.Cols = 0;
			this.grid1.FixedCols = 0;
			this.grid1.FixedRows = 0;
			this.grid1.Location = new System.Drawing.Point(8, 40);
			this.grid1.Name = "grid1";
			this.grid1.Rows = 0;
			this.grid1.Size = new System.Drawing.Size(432, 448);
			this.grid1.TabIndex = 0;
			// 
			// btLoad
			// 
			this.btLoad.Location = new System.Drawing.Point(248, 8);
			this.btLoad.Name = "btLoad";
			this.btLoad.TabIndex = 1;
			this.btLoad.Text = "Load";
			this.btLoad.Click += new System.EventHandler(this.btLoad_Click);
			// 
			// txtRow
			// 
			this.txtRow.Location = new System.Drawing.Point(48, 12);
			this.txtRow.Name = "txtRow";
			this.txtRow.Size = new System.Drawing.Size(64, 20);
			this.txtRow.TabIndex = 2;
			this.txtRow.Text = "500";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(40, 16);
			this.label1.TabIndex = 3;
			this.label1.Text = "Row";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(120, 16);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(40, 16);
			this.label2.TabIndex = 5;
			this.label2.Text = "Col";
			// 
			// txtCol
			// 
			this.txtCol.Location = new System.Drawing.Point(160, 12);
			this.txtCol.Name = "txtCol";
			this.txtCol.Size = new System.Drawing.Size(64, 20);
			this.txtCol.TabIndex = 4;
			this.txtCol.Text = "200";
			// 
			// frmPerformance
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(448, 491);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.label2,
																		  this.txtCol,
																		  this.label1,
																		  this.txtRow,
																		  this.btLoad,
																		  this.grid1});
			this.Name = "frmPerformance";
			this.Text = "frmPerformance";
			this.ResumeLayout(false);

		}
		#endregion

		private void btLoad_Click(object sender, System.EventArgs e)
		{
			try
			{
				grid1.Redraw = false;

				grid1.EnableRowColSpan = false; //to increase performance

				grid1.Redim(int.Parse(txtRow.Text),int.Parse(txtCol.Text));
				for (int r = 0; r < grid1.Rows;r++)
				{
					for (int c = 0; c < grid1.Cols; c++)
					{
						grid1[r,c] = new SourceGrid.Cell(string.Format("{0},{1}",r.ToString(),c.ToString()));
					}
				}

			}
			catch(Exception err)
			{
				MessageBox.Show(err.Message,"Error");
			}
			finally
			{
				grid1.Redraw = true;
			}
		}
	}
}