3

  GOOD                                                 BAD控制在相同的DataGridView列不呈現在初始化網格

Different Controls in DataGridView Columnenter image description here

我在DataGridView列中託管不同的控件。當我在添加控件的同時,我初始化網格控件顯示爲文本框(BAD)。如果我在DataGridView初始化後控件添加控件正確呈現(GOOD)。

public Form1() 
{ 
     InitializeComponent(); 
     ControlsInGridViewColumn(); //<- renders controls as textboxes 
} 

private void button1_Click(object sender, EventArgs e) 
{ 
     ControlsInGridViewColumn(); //<- does correctly render controls 
} 

private void ControlsInGridViewColumn() 
{ 
    DataTable dt = new DataTable(); 
    dt.Columns.Add("name"); 
    for (int j = 0; j < 10; j++) 
    { 
     dt.Rows.Add(""); 
    } 
    this.dataGridView1.DataSource = dt; 
    this.dataGridView1.Columns[0].Width = 200; 

    DataGridViewComboBoxCell ComboBoxCell = new DataGridViewComboBoxCell(); 
    ComboBoxCell.Items.AddRange(new string[] { "aaa","bbb","ccc" }); 
    this.dataGridView1[0, 0] = ComboBoxCell; 
    this.dataGridView1[0, 0].Value = "bbb"; 

    DataGridViewTextBoxCell TextBoxCell = new DataGridViewTextBoxCell(); 
    this.dataGridView1[0, 1] = TextBoxCell; 
    this.dataGridView1[0, 1].Value = "some text"; 

    DataGridViewCheckBoxCell CheckBoxCell = new DataGridViewCheckBoxCell(); 
    CheckBoxCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter; 
    this.dataGridView1[0, 2] = CheckBoxCell; 
    this.dataGridView1[0, 2].Value = true; 
} 

如何讓控件在初始化過程中正確呈現?

(我正在動態添加DataGridViews)。

UPDATE:雅各謝列茲尼奧夫的答案適用於形式,但不是用戶控件這正是我需要的...這裏是如何重現它:

形式:

private void button3_Click(object sender, EventArgs e) 
{ 
    this.Controls.Add(new userCtrl()); 
} 

的用戶控制:

public partial class userCtrl : UserControl 
{ 
    public userCtrl() 
    { 
     InitializeComponent(); 
    } 

    protected override void OnLoad(EventArgs e) 
    { 
     ControlsInGridViewColumn(); 
     base.OnLoad(e); 
    } 

    public void ControlsInGridViewColumn() 
    { 
     //same code as above 
    } 

} 

回答

3

這爲我工作:

protected override void OnLoad(EventArgs e) 
    { 
     ControlsInGridViewColumn(); //<- does correctly render controls 
     base.OnLoad(e); 
    } 
+1

+1這適用於Form **而不是用戶控件**,我將編輯我的問題,對不起,如果這已變成變色龍問題。 – 2013-03-06 03:46:59