Web这是否可以在不创建全新的datagridview控件的情况下实现,或者我最好在别处显示嵌套的datagridview (这里有一篇文章解释了如何在ASP.NET中执行此操作。但是,不清楚是否可以使用Windows窗体执行此操作: )要实现这一点,您始终需要一个自定义控件(免费或付 … WebSep 11, 2014 · The DataSource is a Generic List called transactions of a custom class. When I add a new object to my list and rebind the list to my DataGridView' data source, it shows the new record in the DataGridView as it should. The code is : transactionsDataGridView.DataSource = null transactionsDataGridView.DataSource = …
[Resuelta] c# ¿Qué es IndexOutOfRangeException y cómo lo
WebApr 23, 2010 · The following exception occured in teh DataGridView: System.IndexOutOfRangeException: Index xx does not have a value. at System.Windows.Forms.CurrencyManager.get_Item (Int32 index) at System.Windows.Forms.DataGridView.DataGridViewDataConnection.GetError (Int32 … WebMar 3, 2015 · Application works with no exceptions in Debug build, but when I switch to Release build, and try to click on datagridview cell I have an exception: Exception:Thrown: "Index -1 does not have a value." (System.IndexOutOfRangeException) A System.IndexOutOfRangeException was thrown: "Index -1 does not have a value." danish football coach
c# - 具有超過65535 ^ 2個元素的2d陣列 - >陣列尺寸超出支持的范 …
WebC# 单击DataGridView时发生IndexOutOfRangeException错误,c#,winforms,exception,datagridview,click,C#,Winforms,Exception,Datagridview,Click,我为这个问题挣扎了几个小时 情况就是这样: 加载表单时,我有一个DataGridView,其中有一个空的列表作为数据源 DataGridView.Datasource = null; DataGridView.Datasource = … WebJun 27, 2008 · Catch ex As InvalidCastException units = 0 End Try Loop drdTest.Close () cnnInvMan.Close () Dim value As Integer Dim duplicateRow As DataGridViewRow For Each duplicateRow In Me.DataGridView1.Rows If duplicateRow.Cells (0).Value Is Nothing Then Exit For If duplicateRow.Cells (0).Value.ToString = msg Then WebMar 17, 2016 · I use a DataGridView to display filtered lists from a SQL data base... I've used this method on almost 100 Different objects.. Today i'm getting a strange error from the DGV on only one of them, If you try to select an item in the list.. A first chance exception of type 'System.IndexOutOfRangeException' occurred in System.Windows.Forms.dll danish football league tables