问SSMS中的网格控制

EN

using System;
using System.Drawing;
using System.Windows.Forms;
using Microsoft.SqlServer.Management.UI.Grid;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        private GridControl _control = new GridControl();

        public Form1()
        {
            InitializeComponent();

            for (int i = 0; i < 256; i++)
            {
                _control.AddColumn(new GridColumnInfo { HeaderType = GridColumnHeaderType.Text, IsUserResizable = true });
                _control.SetHeaderInfo(i, "Column " + i, null);
            }

            _control.Dock = DockStyle.Fill;
            _control.GridStorage = new GridStorage();
            Controls.Add(_control);
        }
    }

    // represents a datasource
    public class GridStorage : IGridStorage
    {
        public long EnsureRowsInBuf(long FirstRowIndex, long LastRowIndex)
        {
            return NumRows(); // pagination, dynamic load, virtualization, could happen here
        }

        public void FillControlWithData(long nRowIndex, int nColIndex, IGridEmbeddedControl control)
        {
            // for cell edition
            control.SetCurSelectionAsString(GetCellDataAsString(nRowIndex, nColIndex));
        }

        public string GetCellDataAsString(long nRowIndex, int nColIndex)
        {
            // get cell data
            return nRowIndex + " x " + nColIndex;
        }

        public int IsCellEditable(long nRowIndex, int nColIndex)
        {
            return 1; // 1 means yes, 0 means false
        }

        public long NumRows()
        {
            return 10000;
        }

        public bool SetCellDataFromControl(long nRowIndex, int nColIndex, IGridEmbeddedControl control)
        {
            // when a cell has changed, you're supposed to change your data here
            return true;
        }

        public Bitmap GetCellDataAsBitmap(long nRowIndex, int nColIndex) => throw new NotImplementedException();
        public void GetCellDataForButton(long nRowIndex, int nColIndex, out ButtonCellState state, out Bitmap image, out string buttonLabel) => throw new NotImplementedException();
        public GridCheckBoxState GetCellDataForCheckBox(long nRowIndex, int nColIndex) => throw new NotImplementedException();
    }
}