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

Control.CheckForIllegalCrossThreadCalls = false;

另一种方法

delegate void DataGridView_Delegate(IEnumerable<CaseInfo> list);
 /// <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



原文地址:https://www.cnblogs.com/warrior/p/2239124.html