Web這是我的大學項目。 當我運行此代碼時,它是一個Simole聊天工具,但在使用條件的情況下出現異常。 如果 LPInfo.Substring , Loginn 在這里它會出現 mscorlib.dll中發生了 System.ArgumentOutOfRangeException類型的未處理異常 附加信 WebWhen the app is run, before adding data, the MinimumWidth and Width properties are reset to 5 and the following code does not do anything: this.Column8.MinimumWidth = 50; this.Column8.Width = 50; I can mostly work around this behavior using the DataGridViewAutoSizeColumnMode.AllCells mode.
ArgumentOutOfRangeException on Datagridview with 1 row
WebJan 24, 2016 · An unhandled exception of type 'System.ArgumentOutOfRangeException' occurred in mscorlib.dll. Additional information: Index was out of range. Must be non-negative and less than the size of the collection. The above unhandled exception shows when i run below code : WebDec 9, 2013 · 0. You simply need to set the current row to the last added row and currentcell on every loop something like. dataGridView1.Rows [dataGridView1.Rows.Count - 1].Selected = true; then set the currentcell something like this. dataGridView1.CurrentCell = dataGridView1.Rows [dataGridView1.Rows.Count - 1].Cells [0]; Share. how come i can\u0027t hear people on discord
DataGridを操作しようとするとインデックスエラーになる - Qiita
WebFeb 3, 2024 · I am receiving an exception from dataGridView when I load a ComboBox's Column with class objects with overloaded ToString() methods. I have tried everything that I can find on the internet to prevent this error, and I had another open question on SO trying to sort this one out also, however I was unsuccessful. WebSystem.IndexOutOfRangeException: Index 0 does not have a value. at System.Windows.Forms.CurrencyManager.get_Item(Int32 index) at … WebNov 21, 2011 · I have a DataGridView-based control that I had to turn MultiSelect off and handle the selection process myself due to performance issues, and now the click+hold scrolling feature is disabled as well. ... The System.ArgumentOutOfRangeException will not occur if : void DataGridView1_MouseWheel(object sender, MouseEventArgs e) { int … how many poles were exterminated in camps