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你可以通过在基类中不带参数的重载构造函数来修复它，如下所示： 代码语言：javascript复制public partial class createHtmlFormsForm : Form
{
List listOfFields = new List();
string username = "";
public createHtmlFormsForm(string username1)
{
username = username1;
InitializeComponent();
}
public createHtmlFormsForm()
{
InitializeComponent();
}
}如果你不需要没有参数的构造函数，你可以把它创建成私有的： 代码语言：javascript复制public partial class createHtmlFormsForm : Form
{
List listOfFields = new List();
string username = "";
public createHtmlFormsForm(string username1)
{
username = username1;
InitializeComponent();
}
// private contructor with no parameter
private createHtmlFormsForm()
{
InitializeComponent();
}
}或者，您可以使用过时属性： 代码语言：javascript复制public partial class createHtmlFormsForm : Form
{
List listOfFields = new List();
string username = "";
public createHtmlFormsForm(string username1)
{
username = username1;
InitializeComponent();
}
[Obsolete("Designer only", true)]
public createHtmlFormsForm()
{
InitializeComponent();
}
}
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