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dataGridView failing to format and resize

Marvin kakuru

Hello everyone. I am having a problem resizing & defaultcellstyle formating my dataGridView Below is the code am using this.datagridview.columns[‘’column name”].defaultcellstyle.format = “n0”; dataGridView.columns[“column name”].widith = 200; Below is the error I am getting “NullReferenceException was unhandled”

2 Replies

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Marvin kakuru6y ago
Hello EveryOne. I finally found the cause of the error above. I didn’t mention that my dataGridView was in a tabpage of a TabControl. In order to stop the error from arising again I have to make the tabpage on in which my dataGridView is the TabControl Parent My code this.tabpage.parent = this.TabControl Thanks your posts
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Jignesh Kumar6y ago
Hi,

Please use this link which will help you,
https://stackoverflow.com/questions/5551429/datagridview-and-form-resize-in-c-sharp
https://stackoverflow.com/questions/26283517/how-to-resize-columns-in-datagridview-in-c-sharp
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