我有这段代码
*开始时间是另一个DateTime.now
* timeSinceStart是timeSpan的数组
*我相信for循环让我能够为时间跨度创建和存储许多值并更新listview项目(请参阅下面的链接以获取表单的照片)
* f.ToString()默认为60(整数)
*图片中的MH列向上计数,例如1 2 3 4 5 6等等
private void timer2_Tick(object sender, EventArgs e)
{
for (int w = 0; w < listView1.Items.Count; w++)
{
timeSinceStart[w] = DateTime.Now - startTime[w];
listView1.Items[w].SubItems[6].Text = (timeSinceStart[w].TotalSeconds.ToString());
if (f.ToString() == listView1.Items[w].SubItems[6].Text)
{
MessageBox.Show("dedede");
}
else
{
label3.Text = timeSinceStart[w].TotalSeconds.ToString();
}
}
我真的不能弹出消息框,而且,timepan值有十进制值,是否有连接为什么if条件没有触发?
我尝试将timepan转换为datetime并在if else条件下使用datetime和timespan,它似乎也无法正常工作。
这是我所说的图片:
编辑* 我有另一种形式,让用户输入一个整数和一个包含&#34;小时&#34;的组合框。 &#34; Minute&#34;。
这是它包含的代码:
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "")
{
MessageBox.Show("Please Indicate How Many Minutes/Hours.");
}
else
{
string desu = textBox1.Text;
int temp = 0;
if (int.TryParse(desu, out temp))
{
if (comboBox1.Text == "Hours")
{
//hours to seconds
time = temp * 3600;
eta = desu + " Hours";
sot = temp;
this.Close();
}
else if (comboBox1.Text == "Minutes")
{
//minutes to seconds
time = temp * 60;
eta = desu + " Minutes";
sot = temp;
this.Close();
}
}
else
{
MessageBox.Show("Please enter a valid integer");
}
}
}
然后我传递&#34; time&#34;的值进入上述形式
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
ETA_Input frm = new ETA_Input(this);
frm.ShowDialog();
if (frm.time != 0)
{
string name = dataGridView1.CurrentRow.Cells[0].Value.ToString();
int deku = Int32.Parse(name);
string constring = "server=localhost;database=dbhorizon;uid=root;password=1234";
string Query = "update tblUserIdd set User_Available = 'Ongoing' where User_ID='" + deku + "' ";
MySqlConnection conDatabase = new MySqlConnection(constring);
MySqlCommand cmdDatabase = new MySqlCommand(Query, conDatabase);
MySqlDataReader myReader;
conDatabase.Open();
myReader = cmdDatabase.ExecuteReader();
string id = dataGridView1.CurrentRow.Cells[0].Value.ToString();
string naem = dataGridView1.CurrentRow.Cells[1].Value.ToString();
string field = dataGridView1.CurrentRow.Cells[2].Value.ToString();
f = frm.time;
if (stdex == 0)
{
startTime[stdex] = DateTime.Now;
stdex++;
}
else if (stdex >= 1)
{
startTime[stdex] = DateTime.Now;
stdex++;
}
secondss = string.Format("{0:t}", DateTime.Now);
string[] row = { id, naem, field, secondss, frm.eta,custb, f.ToString() };
var listViewItem = new ListViewItem(row);
listView1.Items.Add(listViewItem);
dgvref();
}
}
这里。