form3.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace task
{
    public partial class Form3 : Form
    {
        Form4 f3 = new Form4();
        Form5 f4 = new Form5();        
        public Form3()
        {
            InitializeComponent();
        }

        private void Form3_Load(object sender, EventArgs e)
        {
            if (DatabaseDataSetUtil.DesignerUtil.IsRunTime())
            {
                // TODO: 删除此行代码以移除“databaseDataSet.Link”的默认 AutoFill。
                this.linkTableAdapter.Fill(this.databaseDataSet.Link);
            }

        }

        private void button1_Click(object sender, EventArgs e)
        {
            f3.Show();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            int k,l;
            k = linkDataGrid.CurrentCell.RowNumber;
            l = linkDataGrid.CurrentCell.ColumnNumber;

            this.linkTableAdapter.DeleteQuery((int)linkDataGrid[k,l]);
            Form3_Load(sender, e);
        }

        private void Form3_Click(object sender, EventArgs e)
        {
            Form3_Load(sender, e);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            int k,l;
            k = linkDataGrid.CurrentCell.RowNumber;
            l = linkDataGrid.CurrentCell.ColumnNumber;

            f4.Show();
            f4.m = (int)linkDataGrid[k, l];
            f4.label1.Text = linkDataGrid[k, l].ToString();
            f4.label2.Text = linkDataGrid[k, l + 1].ToString();
        }
    }
}