我想从字符串中隔离数字,但不只是单个数字:
string input = "15, 26, 5, 9, 23"
Run Code Online (Sandbox Code Playgroud)
所以最后它就像:
numbers[1] = 15
numbers[2] = 26
numbers[3] = 5
numbers[4] = 9
numbers[5] = 23
Run Code Online (Sandbox Code Playgroud)
如何才能做到这一点?
这个C#代码用于运行我已合并在一起的Winform应用程序.我想从该C#代码创建一个exe文件.
如何才能做到这一点?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
public class Form1 : Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should …Run Code Online (Sandbox Code Playgroud) 好的,我有整个工作,直到我在休息后到达部分; 此时,If表示检测到无法访问的代码,if(Session ["UserType"] = 1)给出错误,说明无法将类型对象隐式转换为bool类型.对于如何解决这个问题,有任何的建议吗?以下是整个代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void // ERROR: Handles clauses are not supported in C#
btnSubmit_Click(object sender, System.EventArgs e)
{
if (((string.IsNullOrEmpty(txtUserName.Text))))
{
lblErrorMessage.Text = "Username must be entered.";
txtUserName.Focus();
return;
}
string connString = ConfigurationManager.ConnectionStrings["MyConnection"].ConnectionString;
System.Data.SqlClient.SqlConnection myConnection = new System.Data.SqlClient.SqlConnection(connString);
string sql = "Select * From TCustomers";
System.Data.SqlClient.SqlDataReader objDR …Run Code Online (Sandbox Code Playgroud) 我正在尝试将数据插入数据库,但出现此异常:
java.sql.SqlException:[Oracle][ODBC]ORA-00928:missing SELECT 关键字
我有这种形式,问题是标签的顺序无法正常工作
如果您访问该网站,您会发现在出生日期字段之后按Tab键后,Tab键的顺序消失了.在出生日期字段之后在键盘中预设标签键之后,焦点不会转到下一个字段,即职业:*.相反,它变得黯然失色
怎么解决这个问题?