请问一下大虾:
TreeNode newNode=new TreeNode();
newNode=this.treeView1.SelectedNode.Nodes[i];
if(newNode.checked==true){};
会我选上checked,它会知道checked=true,大多时候它不捕获不到checked=ture呢???
TreeNode newNode=new TreeNode();
newNode=this.treeView1.SelectedNode.Nodes[i];
if(newNode.checked==true){};
会我选上checked,它会知道checked=true,大多时候它不捕获不到checked=ture呢???
在我想打钩的checkbox上统统打上钩,然后点击保存按钮,在保存按钮里用两个for循环,第一个遍历父节点,第二个遍历某个父节点的子节点(我的treeview只有两层),在第二层里头作更新数据库处理,具体代码如下:
int count=treeView1.Nodes.Count ;
int iii,jjj;
string objSqlT;
TreeNode newNode=new TreeNode();
for(iii=0;iii<count;iii++)
{
for(jjj=0;jjj<this.treeView1.SelectedNode.Nodes.Count;jjj++ )
{
newNode=this.treeView1.SelectedNode.Nodes[jjj];
if(newNode.Checked ==true)
{
objSqlT="update role_menuTable set permission=1 where role_menuTable.menuid in (SELECT menuTable.menuId FROM menuTable where menuTable.menucaption='" + newNode.Text + "')and role_menuTable.roleId in (SELECT roleTable.roleId FROM roleTable where roleTable.roleName='" + treeView1.Nodes[iii].Text + "')";
}
else
{
objSqlT="update role_menuTable set permission=0 where role_menuTable.menuid in (SELECT menuTable.menuId FROM menuTable where menuTable.menucaption='" + newNode.Text + "')and role_menuTable.roleId in (SELECT roleTable.roleId FROM roleTable where roleTable.roleName='" + treeView1.Nodes[iii].Text + "')";
}
Database db = DatabaseFactory.CreateDatabase();
DataSet ds =new DataSet();
DBCommandWrapper cw = db.GetSqlStringCommandWrapper(objSqlT);
db.LoadDataSet(cw, ds, "updatetable");
}
}