I have a DataGridView with a DataGridViewCheckBoxColumn. I want to be
able to have the checkbox display in an indeterminate state, so I've
set the ThreeState property to True. However, I want the indeterminate
state to only be set programatically - whenever the user clicks the
checkbox, it should only toggle between Checked and Unchecked.
Now, this is the default behaviour of a standard CheckBox control - as
detailed in the CheckBox.ThreeState property documentation:
"the CheckState property value can only be set to the Indeterminate
value of System.Windows.Forms.CheckState in code and not by user
How would I achieve this with DataGridView? I'm committing the changes
to the checkbox cells immediately by catching the
CurrentCellDirtyStateChanged event and calling CommitEdit as suggested
in the documentation for DataGridView. However, if I try catching the
indeterminate state in this event or in CellValueChanged, and setting
Value to CheckState.Unchecked, the cell's Value property changes but
the display does not update until the control loses focus or another
row is selected.
As this is the default for the CheckBox control, I'm sure it can't be
that difficult to get the DataGridView to do it. What am I missing?
I have a desktop application with a back-end as web service. Web service is hosted on server with Windows Authentication option.
All users do settings in provided setting form using desktop application and hit test connection and it succeeds for all except one user. When this unique user click test button he gets 401: access denied message. if he copy that web service URL in web browser and enters same credentials as in setting forms it works. So only the application fails to connect with web service.
Any help would be highly appreciated to resolve this issue.
Thanks for reply. its our client and we cannot force/request him to install .Net on his machine for us. So what ever we can do we have to use our development machine and then deploy on his machine.
if Text Encoding would have any problem then it must be with all users.
The difference between read only and const is that one can be set in the constructor ( from memory ) A static class is syntactic sugar, the compiler just barfs if any non static elements exist in there. I use it, because it makes my intentions clear, but it really don't actually give you anything.
Please read this if you don't understand the answer I've given you. If you're still stuck, ask me for more information.
What I'm trying to do is to update a label as numbers are being inputed in a textbox.
The label(lblBalance) is to decrease, or increase, as the value of the textbox(txtAmount) changes. lastEnteredAmount is a string obj that holds what was previously entered in txtAmount. lblAmtMax is a label that holds the max amount that the user can enter.
I put the code snippet below in the keyPress event of txtAmount. But i don't get the required result. What am I doing wrong?
//input validation already done here<br />
if (double.Parse(lblAmtMax.Text) < double.Parse(txtAmount.Text) || double.Parse(lblBalance.Text) < 0)<br />
lblBalance.Text = "0.00";<br />
txtAmount.Text = lblAmtMax.Text;<br />
//get diffce between amtEntered and last Amt entered then add it(positive or negative) to existing balance<br />
double diffce = double.Parse(lblBalance.Text) + (double.Parse(lastEnteredAmount) - double.Parse(txtAmount.Text));<br />
lblBalance.Text = diffce.ToString();<br />
lastEnteredAmount = txtAmount.Text;
He who goes for revenge must first dig two graves.
It's okay to validate the character input in the KeyPress event, but the info in the text box property txtAmount.Text is not changed until after that event. You probably want to validate the character entered in KeyPress, and if it is validated do the rest of your code in the TextChanged event.
I have an application that check for a new update of the software and display available update for users.
When the user select to install an update,I have a process that launch the update executable path and in the same time my application close.
When user launch the application next time the installed update appear.
so what to do to prevent installed update to appear.
Note : i have created an xml file and for each update selected to install i have registered his name in this xml file before i launch the process,but the problem is : what to do if the user has cancelled the installation.