请问如何在C#的dataGridView的第i行第j列显示i和j的表达式的计算值？

Posted 2023-05-12

请问如何在C#的dataGridView的第i行第j列显示i和j的表达式的计算值？如第三行第五列对应的单元格显示值为3*20+5*30=210。谢谢！！！
4楼素质不行

参考技术A this.dataGridView1.Columns.Count.ToString() 获得列数
this.dataGridView1.RowCount.ToString() 获得行数

不用我教你如何为第3行5列赋值了吧？ 参考技术B int dgRowcount=10;
int dgCloumCount=10;
int Chengshu=20;
for(int i=0;i<dgRowcount;i++)

for(int j=0;j<dgCloumCount;j++)

dataGridView.rows[i][j]=((i+j)*chengshu).Tostring();

参考技术C dataGridView[i, j].Value = string.Format("0*20+1*30=2", i, j, i * 20 + j * 30); 参考技术D Shades Design Bring up to date Chemical Fall months Winter months this year

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c#如何使用线程操作datagridview

我在做一个数据查询报表软件，想从数据库中取出数据，然后放入datagridview中。这个功能已经实现。我想做的是，利用线程来操作写入datagridview。
问题：当写入datagridview完毕后，貌似线程把该控件给卡住了，没有办法拖动它的滚动条，请问各位大侠如何解决？
希望给出一个示例，谢谢

参考技术A public delegate void Handler(FlexCell.Grid param1, int param2);

/// <summary>
/// 锁定行（供线程内部使用）
/// </summary>
/// <param name="cellGrid">需要锁定的Flex控件</param>
/// <param name="row">需要锁定的行</param>
public static void lockCell(FlexCell.Grid cellGrid, int row)

//EventHandler ehLockCell = new EventHandler(flexCell_Lock);
//ehLockCell(this, null);
if (cellGrid.InvokeRequired)

//Handler handlock = new Handler(lockCell);
cellGrid.Invoke(new Handler(lockCell), new object[] cellGrid, row );


else

lock (cellGrid)

//FlexCell.Grid cellBanlance = (FlexCell.Grid)tabBalance.TabPages["2008"].Controls[0];
cellGrid.Row(row).Locked = true;
cellGrid.Range(row, 2, row, cellGrid.Cols - 1).BackColor = AppHelper.MatchColorScheme(6);


本回答被提问者采纳 参考技术B 用delegate
创建一个thread，然后用invoke调用delegate对应的函数