c#在应用程序中:
1.如何把datagrid中的一列隐藏?(因为要用,但不需要看) 2.在主窗口中有一panel,加载子窗口(子窗口全为用户控件)。有一个问题:如果已加载了一个子窗口,哪么再加载一个到这个panel时,不显示出来,可能是显示在最低下吧,也可能没有显示。怎么解决这个问题?(因为用户控件只有.show)
1.如何把datagrid中的一列隐藏?(因为要用,但不需要看) 2.在主窗口中有一panel,加载子窗口(子窗口全为用户控件)。有一个问题:如果已加载了一个子窗口,哪么再加载一个到这个panel时,不显示出来,可能是显示在最低下吧,也可能没有显示。怎么解决这个问题?(因为用户控件只有.show)
给不能给点代码?
{
DataGridTableStyle grdTableStyle1 = new DataGridTableStyle(); grdTableStyle1.MappingName = "table1";
grdTableStyle1.PreferredColumnWidth = 125;
grdTableStyle1.PreferredRowHeight = 15;
grdTableStyle1.AlternatingBackColor=SystemColors.Info;
DataGridTextBoxColumn grdColStyle1 = new DataGridTextBoxColumn();
grdColStyle1.HeaderText = "设备名称";
grdColStyle1.MappingName = "A1";
grdColStyle1.Width = 120; DataGridTextBoxColumn grdColStyle2 = new DataGridTextBoxColumn();
grdColStyle2.HeaderText = "总数";
grdColStyle2.MappingName = "A2";
grdColStyle2.Width = 100; DataGridTextBoxColumn grdColStyle3 = new DataGridTextBoxColumn();
grdColStyle3.HeaderText = "外借数";
grdColStyle3.MappingName = "A3";
grdColStyle3.Width = 70; DataGridTextBoxColumn grdColStyle4 = new DataGridTextBoxColumn();
grdColStyle4.HeaderText = "归还数";
grdColStyle4.MappingName = "A4";
grdColStyle4.Width = 70;
DataGridTextBoxColumn grdColStyle5 = new DataGridTextBoxColumn();
grdColStyle5.HeaderText = "损坏数";
grdColStyle5.MappingName = "A5";
grdColStyle5.Width = 70; DataGridTextBoxColumn grdColStyle6 = new DataGridTextBoxColumn();
grdColStyle6.HeaderText = "保养数";
grdColStyle6.MappingName = "A6";
grdColStyle6.Width = 70; DataGridTextBoxColumn grdColStyle7 = new DataGridTextBoxColumn();
grdColStyle7.HeaderText = "维修数";
grdColStyle7.MappingName = "A7";
grdColStyle7.Width = 70; DataGridTextBoxColumn grdColStyle8 = new DataGridTextBoxColumn();
grdColStyle8.HeaderText = "当前库存";
grdColStyle8.MappingName = "A8";
grdColStyle8.Width = 80;
//根据选择的显示内容动态控制显示列 可以在此处处理
grdTableStyle1.GridColumnStyles.AddRange(new DataGridColumnStyle[]
{
grdColStyle1,
grdColStyle2,
grdColStyle8,
grdColStyle3,
grdColStyle4,
grdColStyle5,
grdColStyle6,
grdColStyle7
}); Grid1.TableStyles.Add(grdTableStyle1); }附:通过设置列宽度为0也可以进行隐藏
2在主窗口中有一panel,加载子窗口(子窗口全为用户控件)。如果已加载了一个子窗口,哪么再加载一个到这个panel前先关掉先前加载的子窗口
如他写的那杨!
2、UserControl.BringToFront()或将其他的UserControl释放掉(执行UserControl.Dispose()方法)
usercontrol1 frm=new usercontrol1()
frm.paranet=mainpanel
frm.show
我每个调用的地方都是这样写的,我在 这里怎么去 释放 mainpanel中当前的用户控件呢?
private void gridstyle()
{
DataGridTableStyle grdTableStyle1 = new DataGridTableStyle();grdTableStyle1.MappingName = "table1";
grdTableStyle1.PreferredColumnWidth = 125;
grdTableStyle1.PreferredRowHeight = 15;
grdTableStyle1.AlternatingBackColor=SystemColors.Info;
DataGridTextBoxColumn grdColStyle1 = new DataGridTextBoxColumn();
grdColStyle1.HeaderText = "设备名称";
grdColStyle1.MappingName = "A1";
grdColStyle1.Width = 120;DataGridTextBoxColumn grdColStyle2 = new DataGridTextBoxColumn();
grdColStyle2.HeaderText = "总数";
grdColStyle2.MappingName = "A2";
grdColStyle2.Width = 100;DataGridTextBoxColumn grdColStyle3 = new DataGridTextBoxColumn();
grdColStyle3.HeaderText = "外借数";
grdColStyle3.MappingName = "A3";
grdColStyle3.Width = 70;DataGridTextBoxColumn grdColStyle4 = new DataGridTextBoxColumn();
grdColStyle4.HeaderText = "归还数";
grdColStyle4.MappingName = "A4";
grdColStyle4.Width = 70;
DataGridTextBoxColumn grdColStyle5 = new DataGridTextBoxColumn();
grdColStyle5.HeaderText = "损坏数";
grdColStyle5.MappingName = "A5";
grdColStyle5.Width = 70;DataGridTextBoxColumn grdColStyle6 = new DataGridTextBoxColumn();
grdColStyle6.HeaderText = "保养数";
grdColStyle6.MappingName = "A6";
grdColStyle6.Width = 70;DataGridTextBoxColumn grdColStyle7 = new DataGridTextBoxColumn();
grdColStyle7.HeaderText = "维修数";
grdColStyle7.MappingName = "A7";
grdColStyle7.Width = 70;DataGridTextBoxColumn grdColStyle8 = new DataGridTextBoxColumn();
grdColStyle8.HeaderText = "当前库存";
grdColStyle8.MappingName = "A8";
grdColStyle8.Width = 80;//根据选择的显示内容动态控制显示列 可以在此处处理
grdTableStyle1.GridColumnStyles.AddRange(new DataGridColumnStyle[]
{
grdColStyle1,
grdColStyle2,
grdColStyle8,
grdColStyle3,
grdColStyle4,
grdColStyle5,
grdColStyle6,
grdColStyle7
});Grid1.TableStyles.Add(grdTableStyle1);}附:通过设置列宽度为0也可以进行隐藏