第一学期 C#容易忘记的方法
2017-12-16如何将数据加载到ListView中
方法1：
private void LoadListView()
{
string sql = "select * from employee";
lvEmp.Items.Clear();
SqlDataReader dr = DBHelper.ExecuteReader(sql);
while (dr.Read())
{
ListViewItem lvi = new ListViewItem(dr["Id"].ToString());
lvi.SubItems.AddRange(
new string[] {
dr[" "].ToString(),
dr[" "].ToString(),
dr[" "].ToString(),
dr[" "].ToString(),
});
lvEmp.Items.Add(lvi);
}
dr.Close();
DBHelper.Closecon();
}
方法二：
创建DBhelper类，构造方法
public static DataTable GetTable(string sql)
{
DataTable dt = new DataTable();
SqlDataAdapter sda = new SqlDataAdapter(sql, GetConnection());
sda.Fill(dt);
return dt;
}
private void LoadListView() { string sql = "select * from employee"; lvEmp.Items.Clear(); DataTable dt = DBHelper.GetTable(sql); foreach (DataRow dr in dt.Rows)//遍历数据表中的每一行 { ListViewItem lvi = new ListViewItem(dr[0].ToString()); lvi.SubItems.AddRange( new string[] { dr[1].ToString(), dr[2].ToString(), dr[3].ToString(), dr[4].ToString() }); lvEmp.Items.Add(lvi); } DBHelper.Closecon(); }
