Rashmi
1222
Points
22
Posts
|
Gettting following error:
Error: System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
var targets = split.Panes.Where(p => p is DockManagerContentPaneState cp && cp.Id == id);
if (targets != null)
{
foreach (var target in targets)
...
Views:
117
Total Answered:
0
Total Marked As Answer:
0
Posted On:
25-Sep-2025 23:23
|
Priya
1352
Points
40
Posts
|
Server crashes exactly at sql async reader in blazor web app:
await using var reader = await command.ExecuteReaderAsync();
Async method:
public async Task<Timezone> GetTimezoneAsync(int componentId, string componentType)
{
string connectionStringElements = ""; //connection string
...
Views:
245
Total Answered:
2
Total Marked As Answer:
2
Posted On:
20-Aug-2025 22:51
|
Rashmi
1222
Points
22
Posts
|
I'm trying to execute a store procedure in .net 9.0 with SQL command. For nullable field getting following error:
Error Message: Unable to cast object of type 'System.DBNull' to type 'System.String'.
Error: {"ClassName":"System.InvalidCastException","Message":"Unable to cast object of type 'Syst ...
Views:
310
Total Answered:
1
Total Marked As Answer:
1
Posted On:
13-Aug-2025 05:00
|
Jelly
12
Points
1
Posts
|
I'm trying to migrate .net app from .net 8.0 to .net 9.0. I changed targeted framework to net9.0 in all projects but getting error when compiling:
Assets file '\obj\project.assets.json' doesn't have a target for 'net8.0'. Ensure that restore has run and that you have included 'net8.0' in the Targe ...
Views:
518
Total Answered:
2
Total Marked As Answer:
1
Posted On:
30-Jun-2025 00:54
|
Priya
1352
Points
40
Posts
|
Gettinng error with itext pdf during image imbeding:
Result: Failure Exception: System.Exception: Value cannot be null. (Parameter 'buffer') ---> System.ArgumentNullException: Value cannot be null. (Parameter 'buffer') at System.ArgumentNullException.Throw(String paramName) at System.I ...
Views:
508
Total Answered:
2
Total Marked As Answer:
1
Posted On:
04-Jun-2025 22:56
|
Priya
1352
Points
40
Posts
|
I'm using .net 8 blazor server app. Some time getting following error:
Error: Connection disconnected with error 'Error: WebSocket closed with status code: 1006 (no reason given)
Views:
982
Total Answered:
2
Total Marked As Answer:
1
Posted On:
03-Jun-2025 07:58
|
beginer
1576
Points
53
Posts
|
I'm getting following whever setting property in device twin in Azure iot hub device. I'm doing follwoing:
using RegistryManager registryManager = RegistryManager.CreateFromConnectionString(_configuration["IoTHubDeviceConnectionString"]);
var desiredProperties = new TwinCollection();
desiredProp ...
Views:
556
Total Answered:
1
Total Marked As Answer:
1
Posted On:
23-Apr-2025 02:23
|
Rashmi
1222
Points
22
Posts
|
I'm getting following error during restore packages in Azure devops pipeline:
"D:\a\1\s\*.csproj" (Restore target) (1) ->
(Restore target) ->
D:\a\1\s\*.csproj : error NU1101: Unable to find package Telerik.Reporting. No packages exist with this id in source(s): C:\Program ...
Views:
522
Total Answered:
1
Total Marked As Answer:
1
Posted On:
26-Mar-2025 04:18
|
ykl
340
Points
17
Posts
|
I'm using itext to generate pdf as follows:
public void RenderPage(string filePath)
{
using (var writer = new PdfWriter(filePath))
{
using (var pdf = new PdfDocument(writer))
{
var document = new Document(pdf);
foreach (var componentRenderer ...
Views:
2835
Total Answered:
1
Total Marked As Answer:
0
Posted On:
06-Jan-2025 04:35
|
Alina
2
Points
1
Posts
|
To convert PST files into MBOX format without data loss, you can use a manual method involving email clients like Thunderbird. First, configure your Outlook account in Thunderbird using the IMAP protocol. After syncing the data, drag and drop the Outlook emails into a local folder in Thunderbird. Th ...
Views:
768
Total Answered:
12
Total Marked As Answer:
0
Posted On:
04-Jan-2025 02:36
|