向datagridview添加控件 [英] add control to datagridview

问题描述

有一个名为nbText的控件(用于格式化数字)，该控件继承自DataGridViewAutoFilter.DataGridViewNumberBox.
如何将nbText控件放置在Windows的datagridview(dgv)控件内?

以下内容似乎可以编译，但是我无法在该行的dgv文​​本框中添加数字.

Hi,
There is a control called nbText (which formats numbers) which inherits from DataGridViewAutoFilter.DataGridViewNumberBox.
How can I place this nbText control inside a datagridview (dgv) control in windows?

The following seems to compile but I am unable to add a number into the dgv textbox in the row.

DataGridViewAutoFilter.DataGridViewNumberBox nbValue = new DataGridViewAutoFilter.DataGridViewNumberBox();            
            nbValue.Name = "nbCashValue";
            nbValue.HeaderText = "nbValue";
            nbValue.Width = 100;
            nbValue.DataPropertyName = "nbValue";

            dgv.Columns.Add(nbValue);

每次我在dgv列中的那个单元格中添加一个值时，错误是:
对象引用未设置为对象的实例.

请问如何解决此错误?

谢谢

Everytime I add a value to that cell in the column of the dgv, the error is:
Object reference not set to an instance of an object.

How can I solve this error please?

Thanks

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