Control 'XXXX' accessed from a thread other than the thread it was created on
Control 'XXXX' accessed from a thread other than the thread it was created on
在FORM初始化的时候加入
1 | Control.CheckForIllegalCrossThreadCalls = false ; |
另一种方法
1 | delegate void DataGridView_Delegate(IEnumerable<CaseInfo> list); |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | /// <summary> /// 向DataGridView绑定数据 /// </summary> private void DataGridView_DataBind(IEnumerable<CaseInfo> list) { if (dgCaseInfo.InvokeRequired) { DataGridView_Delegate del = new DataGridView_Delegate(DataGridView_DataBind); dgCaseInfo.Invoke(del,list); return ; } if (list == null ) { dgCaseInfo.DataSource = null ; return ; } dgCaseInfo.DataSource = new BindingList<ShowCaseInfo>( list.Select(to => new ShowCaseInfo { Age = to.Age, PatientName = to.PatientName, CardId = to.CardId }).ToList()); dgCaseInfo.Columns[0].HeaderText = Resources.MainForm_DataGridView_DataBind_PatientName; dgCaseInfo.Columns[0].Width = 70; dgCaseInfo.Columns[1].HeaderText = Resources.MainForm_DataGridView_DataBind_Age; dgCaseInfo.Columns[2].Visible = false ; tssl.Text = Resources.MainForm_BackgroundWorker_DoWork_Present_Complete; } |
ERROR:Object reference not set to an instance of an object
如果是在异步中,报此错误,使用第二种方式可解决
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】凌霞软件回馈社区,博客园 & 1Panel & Halo 联合会员上线
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步