设计错误:无法绑定到属性或列"Column Name"在数据源上.参数名称:dataMember [英] Design Error: Cannot bind to the property or column "Column Name" on the DataSource. Parameter name: dataMember

问题描述

在Visual Studio中设计期间发生以下错误.尽管该绑定在运行时可以正常工作.

这是一个问题，因为我无法在Visual Studio中看到该表单，只是要防止可能的数据丢失...".


这是放置在_Load事件中的绑定

The following error occurs during design in Visual Studio. Although The binding works fine at runtime.

Its a problem because I am unable to see the form in visual studio, Just the "To prevent possible data loss...."


this is the binding placed in the _Load event

this.LastNameLabel.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.employeeBindingSource, "LastName"));

我在这里做错什么了吗?        


我必须再次提及绑定在运行时确实可以正常工作.

Am I doing something wrong here?         


I must mention again the binding does work fine during runtime.

推荐答案

一切都很好，只需尝试在最后添加true即可.

Everything look fine, just try to add true at the end.

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