无法在 C# 中获得正确的 Bool 结果

Can't get the correct Bool result in C#

我有一个表单,我想在处理表单之前检查验证。我的表单有 2 个部分,所以我想确保在他们按下提交按钮时至少从每个部分中选择了一个项目,如果他们选择了则转到 Dashboard.aspx。即使我在检查 result1 和 result2 时输入了所有必需的信息,我也会得到 false。 Result1 和 Result2 不会得到正确的值。即使值再次为 True,它也会传递 false。

这是我的代码:

    protected void btnSumbit_Click(object sender, EventArgs e)
    {
        if (!Page.IsValid)
            return;

        bool result1 = false;
        bool result2 = false;
        CheckWireFromValidation(result1);
        CheckWireToValidation(result2);
        if (result1 == true && result2 == true)
        {
            Response.Redirect("~/DashBoard.aspx");
        }
    }

    public bool CheckWireFromValidation (bool result1)
    {
        if (drpFromCoporate.SelectedIndex != 0 || drpFromCapital.SelectedIndex != 0 || drpFromProperty.SelectedIndex != 0)
        {
            result1 = true;
        }
        else
        {
            result1 = false;
            ShowAlertMessage("You need to choose at least one filed from Wire From drop downs!!");
        }         
        return result1;
    }


    public bool CheckWireToValidation(bool result2)
    {
        if (drpToCapital.SelectedIndex != 0 || drpToCoporate.SelectedIndex != 0 || drpToProperty.SelectedIndex != 0 || drpToTemplate.SelectedIndex != 0 || txtCorpAmt.Text != "" || txtCapAmt.Text != "" || txtPropAmt.Text != "" || txtTempelateAmt.Text != "")
        {
            result2 = true;
        }
        else
        {
            ShowAlertMessage("You need to choose at least one filed from Wire To drop downs!!");
        }
        return result2;      
    }

您没有使用 CheckWireToValidation 的结果。您正在使用最初分配的 false 值。

试试这个

    bool result1 = false;
    bool result2 = false;

    if (CheckWireFromValidation(result1) && CheckWireToValidation(result2))
    {
        Response.Redirect("~/DashBoard.aspx");
    }

编辑

您期望的行为是 out parameter modifier 的行为。但是请不要那样写代码...

我编辑了您的代码以摆脱 .. em .. cruft。这应该更具可读性。

protected void btnSumbit_Click(object sender, EventArgs e)
{
    if (!Page.IsValid)
        return;

    if (CheckWireFromValidation() && CheckWireToValidation())
    {
        Response.Redirect("~/DashBoard.aspx");
    }
}

public bool CheckWireFromValidation ()
{
    if (drpFromCoporate.SelectedIndex != 0 || drpFromCapital.SelectedIndex != 0 || drpFromProperty.SelectedIndex != 0)
    {
        return true;
    }
    else
    {          
        ShowAlertMessage("You need to choose at least one filed from Wire From drop downs!!");
        return false;
    }         
}

public bool CheckWireToValidation ()
{
    if (drpToCapital.SelectedIndex != 0 || drpToCoporate.SelectedIndex != 0 || drpToProperty.SelectedIndex != 0 || drpToTemplate.SelectedIndex != 0 || txtCorpAmt.Text != "" || txtCapAmt.Text != "" || txtPropAmt.Text != "" || txtTempelateAmt.Text != "")
    {
        return true;
    }
    else
    {
        ShowAlertMessage("You need to choose at least one filed from Wire To drop downs!!");
        return false;
    }     
}

由于您将 Result1Result2 作为参数传递,而不是 分配 它们。永远不会设置结果。

这是执行此操作的一种正确方法

bool result1 = CheckWireFromValidation(result1);
bool result2 = CheckWireToValidation(result2);

if (result1 == true && result2 == true)
{
    Response.Redirect("~/DashBoard.aspx");
}

还有一个旁注。我认为我们可以安全地从 CheckWireFromValidation 方法中删除布尔参数。由于 return 值不依赖于输入变量。

希望对您有所帮助。