[英]C# Programmatically created richtextbox and get text value from button
[英]how to get dynamic created text box value from panel in c# on button click
我在面板內部的按鈕上單擊創建動態文本框並存儲編號,並且想要檢索其文本並對該編號進行總計,我該怎么做?
以下是我用於文本框生成的代碼
private void btnMaterialAdd_Click(object sender, EventArgs e)
{
TextBox[] txtTeamNames = new TextBox[100];
txtTeamNames[i] = new TextBox();
string name = "TeamNumber" + i.ToString();
txtTeamNames[i].Location = new Point(1, i * 30 );
txtTeamNames[i].Width = 30;
txtTeamNames[i].Name = "ID" + i;
txtTeamNames[i].Visible = true;
int num = i + 1 ;
txtTeamNames[i].Text = num.ToString();
panel1.Controls.Add(txtTeamNames[i]);
}
如何計算每個文本框和顯示的總價值?
擺脫數組,並在類級別使用列表(而不是方法中的局部變量):
private List<TextBox> TextBoxes = new List<TextBox>();
private void btnMaterialAdd_Click(object sender, EventArgs e)
{
TextBox tb = new TextBox();
int i = TextBoxes.Count + 1;
tb.Location = new Point(1, i * 30);
tb.Width = 30;
tb.Name = "ID" + i;
tb.Text = i.ToString();
TextBoxes.Add(tb);
panel1.Controls.Add(tb);
}
現在,您可以遍歷該List以獲得總計:
private void btnTotal_Click(object sender, EventArgs e)
{
int value;
int total = 0;
foreach (TextBox tb in TextBoxes)
{
if (int.TryParse(tb.Text, out value))
{
total = total + value;
}
else
{
MessageBox.Show(tb.Name + " = " + tb.Text, "Invalid Value");
}
}
MessageBox.Show("total = " + total.ToString());
}
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