当我在ListView项目中选择特定项目时,我能够显示该特定项目,并且当表单加载时,我将获得默认显示的最后一项(比如第10项)。但是,我想要的是默认显示第一个项目。我怎样才能做到这一点?我试着做一些像
这样的事情listView1.Items[1].Selected = true;
但它不起作用:
public partial class GroupExmStart : Form
{
string[] totDisplayQsn = null;
string[] QAndA = null;
string[] words = null;
private List<Question> questions;
ListViewItem lvi;
public GroupExmStart(string GroupName, string DurationID)
{
InitializeComponent();
this.GrpID=GroupName;
TopiID=db.GetTopicIDForGroup(GrpID);
string[] conf = db.GetConfiguration(Convert.ToInt16(DurationID)).Split('|');
Question qsn = new Question();
questions = qsn.Foo(TopiID, conf);
int z = Quiz(questions);
totQsn = Convert.ToInt16(conf[0]);
for (int kk = 1; kk <= totQsn; kk++)//using this I am adding items to listview
{
lvi = new ListViewItem();
lvi.Text = kk.ToString();
listView1.Items.Add(lvi);
}
totDisplayQsn = new string[totQsn + 1];
}
int Quiz(List<Question> questions)//using this I a passing set of questions to be displayed
{
foreach (Question question in questions)
{
DisplayQuestion(question);
}
return 0;
}
private void DisplayQuestion(Question question)//using this i am displaying questions
{
string Q = question.Text;
label5.Text = Q;
string OP1 = question.Option1;
string OP2 = question.Option2;
string OP3 = question.Option3;
string OP4 = question.Option4;
radioButton12.Text = OP4;
radioButton11.Text = OP4;
radioButton10.Text = OP4;
radioButton9.Text = OP4;
}
}
private void listView1_MouseClick(object sender, MouseEventArgs e)//using this i am selection particular item and displaying it
{
if (totDisplayQsn.GetLength(0) >= 0)
{
if (listView1.SelectedItems.Count > 0)
{
var q = Convert.ToInt16(listView1.SelectedItems[0].Text);
var selectedQuestion = questions[q-1];
DisplayQuestion(selectedQuestion);
}
}
}
提前感谢您的帮助。
答案 0 :(得分:3)
试试这个
listView1.SelectedItems[0].Focused = true;
答案 1 :(得分:1)
要选择第一个项目,请通过基于零的索引访问它。将代码放在项目初始化代码之后。
for (int kk = 1; kk <= totQsn; kk++)//using this I am adding items to listview
{
lvi = new ListViewItem();
lvi.Selected = false;
lvi.Text = kk.ToString();
listView1.Items.Add(lvi);
}
listView1.Items[0].Selected = true;
DisplayQuestion(questions[0]);
删除以下代码:
int Quiz(List<Question> questions)//using this I a passing set of questions to be displayed
{
foreach (Question question in questions)
{
DisplayQuestion(question);
}
return 0;
}
答案 2 :(得分:0)
好的,请尝试以下代码:
ListViewItem foundItem = listView1.FindItemWithText("Select4", false, 0, true);
if (foundItem != null)
{
listView1.Items[foundItem.Index].Selected = true;
}
这就是全部。