在登录.ascx中自己拉了2个radiobutton控件,分别表示2种权限
但是不知道该如何把数据库中的权限和这2个控件联系起来…
不知道我这样问清楚没…
ASP.NET C#中Radiobutton控件的疑问
答案:4 悬赏:60
解决时间 2021-04-21 07:29
- 提问者网友:逝爱
- 2021-04-21 03:57
最佳答案
- 二级知识专家网友:专属的偏见
- 2021-04-21 05:10
进行绑定即可,操作极其简单。
步骤1:拉控件。
步骤2:在.cs中写4段代码。
/// 选择下拉列表
///
///
///
protected void MenuLevel_DDL_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.MenuLevel_DDL.SelectedItem.Value == "0")
{
this.MenuUp_DDL.Items.Clear();
this.MenuUp_DDL.Items.Add(new ListItem("请选择..", "0"));
}
else
{
//Linq查询
var query = from t in dc.menu
where t.menu_level == Int32.Parse(MenuLevel_DDL.SelectedValue)
select t;
this.MenuUp_DDL.DataSource = query;
this.MenuUp_DDL.DataBind();
}
}
/// 初始化页面
///
public void ClearText()
{
this.MenuName_TB.Text = "";
this.MenuUrl_TB.Text = "";
this.MenuLevel_DDL.SelectedIndex = 0;
if (this.MenuLevel_DDL.SelectedItem.Value == "0")
{
this.MenuUp_DDL.Items.Clear();
this.MenuUp_DDL.Items.Add(new ListItem("请选择..", "0"));
}
this.MenuFlag_RBL.SelectedIndex = 0;
}
///
/// 取消
///
///
///
protected void Cancel_BT_Click(object sender, EventArgs e)
{
ClearText();
}
///
/// 取消
///
///
///
protected void Cancel_BT_Click(object sender, EventArgs e)
{
ClearText();
}
步骤1:拉控件。
步骤2:在.cs中写4段代码。
/// 选择下拉列表
///
///
///
protected void MenuLevel_DDL_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.MenuLevel_DDL.SelectedItem.Value == "0")
{
this.MenuUp_DDL.Items.Clear();
this.MenuUp_DDL.Items.Add(new ListItem("请选择..", "0"));
}
else
{
//Linq查询
var query = from t in dc.menu
where t.menu_level == Int32.Parse(MenuLevel_DDL.SelectedValue)
select t;
this.MenuUp_DDL.DataSource = query;
this.MenuUp_DDL.DataBind();
}
}
/// 初始化页面
///
public void ClearText()
{
this.MenuName_TB.Text = "";
this.MenuUrl_TB.Text = "";
this.MenuLevel_DDL.SelectedIndex = 0;
if (this.MenuLevel_DDL.SelectedItem.Value == "0")
{
this.MenuUp_DDL.Items.Clear();
this.MenuUp_DDL.Items.Add(new ListItem("请选择..", "0"));
}
this.MenuFlag_RBL.SelectedIndex = 0;
}
///
/// 取消
///
///
///
protected void Cancel_BT_Click(object sender, EventArgs e)
{
ClearText();
}
///
/// 取消
///
///
///
protected void Cancel_BT_Click(object sender, EventArgs e)
{
ClearText();
}
全部回答
- 1楼网友:初心未变
- 2021-04-21 08:16
比如 用户"张三"登陆,那么数据库设计时应该是如下
UID UerName UserPwd 权限1 权限2
3 张三 ****** TURE False
当你登陆的时候,读取“张三”该用户数据,判断radiobutton1是不是为True
---------------------------------------------------------------------
- 2楼网友:蜜罐小熊
- 2021-04-21 07:55
如果radiobutton1为真的话,在下面then中在写入数据,else中radiobutton2再重为真的话,在下面then中在写入数据,else退出
- 3楼网友:你把微笑给了谁
- 2021-04-21 06:47
其实像这样的问题还是不要用三元表达式,就用普通的 if 判断最好
例如:
if (radiobutton1.checked == true) { txt1.text = "选中的是单选1"; radiobutton2.checked = false; radiobutton3.checked = false; } if (radiobutton2.checked == true) { txt1.text = "选中的是单选2"; radiobutton1.checked = false; radiobutton3.checked = false; } if (radiobutton3.checked == true) { txt1.text = "选中的是单选3"; radiobutton1.checked = false; radiobutton2.checked = false; }
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