带拖放功能的DataGridView - 根据用户活动更新列表

时间:2013-03-14 03:29:39

标签: c# datagridview drag-and-drop

一个业余爱好者试图完成我的第一个真正的应用程序,所以如果这是一个noobie问题,请提前感谢你并道歉。

我有一个带有Drag and Drop的datagridview,其中填充了Team Class和Dictionary中的数据,该Dictionary根据索引为List中的项目赋值。我没有实现绑定,因为我还没有使用拖放行重新排序。

teamList = new List<Team>(){
    new Team("Redskins","WAS", "Washington"),
    new Team("Cowboys", "DAL", "Dallas"),
    new Team("Eagles", "PHI", "Philadelphia"),
    new Team("Giants", "NYG", "New York"),
    new Team("Packers", "GB", "Green Bay")
 };

class Team
{
    public string Mascot { get; private set; }
    public string Key { get; private set; }
    public string City { get; private set; }
}

Dictionary<int, int> powerValues = new Dictionary<int, int>(){
    {1, 113},
    {2, 110},
    {3, 109},
    {4, 108},
    {5, 107}
};

private void printValues()
{   // add Team to DGV wiht PowerRank as index+1 and PowerValue based on Dictionary
    int i = 0;
    foreach (Team team in TeamList)
    {                
        // add all data to a datagrid view
        dataGridView1.Rows.Add(i+1, team.Mascot,powerValues[teamList.IndexOf(team) + 1]); //set the rank
        i++;
    }
}

一旦我达到这一点,我试图做两件事:

1) Update List<Team> based on drag and drop change
2) Re-assign PowerRank and PowerValue based on new index of Team

我已经尝试了几件事无济于事 - 任何想法或观点朝着正确的方向发展?

1 个答案:

答案 0 :(得分:0)

我已经通过一种新方法获得了#2,但这并不是我希望如此开放改进的优雅解决方案。仍在努力#2

    private void reEstablishRanking()
    {
        for (int i = 0; i < defaultPR.TeamList.Count; i++)
        {
            dataGridView1.Rows[i].Cells["PowerRank"].Value = (i + 1);
            dataGridView1.Rows[i].Cells["PowerValue"].Value = defaultPR.PRScores[i + 1];
        }
    }