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How to trap System.Data.NoNullAllowedException error with BindingNavigator
To explain my issue, it would be simplest to explain how to recreate it...SQL Server Data Table, simple database for this example, 2 fields... pkid, (non identity) is primary key, not null Description,...
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show relational tables info in DGV using C# and EF
Hello there.I'm working on C# and Entity Framework on a three tier app(DAL, BAL and GUI), but i do have a problem:below is the model the EF created for my very simple databasewhat I want is to display...
View ArticleDatagridviewautofilter.dll problem
Hi All,I'm trying to use Datagridviewautofilter.dll on a datagridview that is bound to a data table that is pulling information from SQL Server.It's working fine except for the fact that on the first...
View ArticleMultiple combobox issues - VS 2005
I have a datagrid that shows all the storage_id's. In that datagrid, there's a column that has a combobox that tells me what Lots are available for sale.There's 2 issues - after I hit the dropdown to...
View ArticleDataRepeater forgets entered value when the DataRepeaterItem loses focus...
I have the following problem.A simple databound DataRepeater (Microsoft Visual Basic PowerPack 10) with one TextBox and some rows of data, just enough that the first row is out of view when you focus...
View ArticleHow to add a GridViewComboBoxColumn to my datagrid
I'm new to C# and visual programming.I want to add a GridViewComboBoxColumn or a listbox to my 'dgvColumns' grid on column 'DataDomain'. The list is only 9 items (RAW, PKIEN, VARCHAR, FileMan,...
View ArticleHow to resize form to fit DataGridView?
I have a form that contains dataGridView, whose coloumn are set todgrv1.Width =dgrv1.Columns.GetColumnsWidth(DataGridViewElementStates.Visible)+20;I want to make the form to automaticaly follow the...
View ArticleHow to refresh bindingsource field list at design time in VS2013
I have created a DataSet in my winforms c# project and data bound some user controls to a data table in it. I only use ReadXml and WriteXml to store the dataset in a local xml file, it is not database...
View ArticleShowing empty points in a chart (column type) in Visual Basic.Net
How can I show empty values in my chart control (column type) i my VB.NET(Project) which is linked to an Access database! Thanks
View ArticleDataGridView Join
Hi Experts,I have Two DataGridViews dgvGrns, dgvOABomExplosiondgvgrns have tow important columns rawitemno and linkedqtydgvGrns datagridview contains Records of Grns and in few grns there are linedqty...
View ArticleFind rows in tbl1 that do not have a corresponding row in tbl2 and delete them.
I'm a beginner with VS C# and am working on a WINFORM project I inherited. I need to find rows in tbl1 that don't exist in tbl2 and delete them. The joining column would be: tbl1==>...
View ArticleHow to Transfer data from Datagridview to Listview based on rowindex of a...
Hi all,I have a data in datagridview and I need to transfer the selected row data in datagridview to Listview.How to trasfer data from datagridview to Listview in WinForms?Thank you allRegards,Naresh.
View ArticleHow to read values from a datagridview cells ?
Hi All,I m trying to read the value of three columns first one is checkedboxcolumn second column is textboxcolumn containing a number and I want to save it as integerthird column is textboxcolumn...
View ArticleDataGridView Cell Value trouble.
Heya People,I've got a little problem that i don't know how to solve...I am using a custom datagridview cell which only accepts decimal input for currency and formats it as such.When the program is...
View ArticleSetting focus after entry into TExtbox
Hello!I want to find out how to safely set focus to a control after the user completes entry.If the user has entered "0000", focus has to be set to a specific control; else the entry is checked, and if...
View ArticleHow to filtering a date datatype column
hello I'm new to c# programing and visual studio, I'm a MS-Access guy.can someone please guide me through the process of how to filter a date data type column in a datagridview in C#.thank you.
View ArticleHow do you pass date values to a datagridview's header column?
Hello,I would like to know to pass the date values from a datetimepicker or a Month Calendar to a datagridview's header column.So basically, if I were to select a date range e.g. 04/04/2014 -...
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Populate One Column on DataGridView with Value from TextBox
Hello,I am using the following code to populate DataGridView. dt1 = New SqlDataAdapter("select empid, school, year, title, id from emp_education where empid='" & txt_EmpID.Text & "'",...
View Articledatagridview combo box column binding issue
I create this datagridview:public void GetOrderDetailsItems() { Orders od = new Orders(); orderItemsDT = od.LoadOrderDetailItemsTable(_ID); Parts part = new Parts(); DataTable partdata = new...
View ArticleHow to print a pdf with C sharp code
Hi, I am working on some creating a pdf that fetch few images from my computer and text based on some calculation in c sharp code. How can i have control over the formatting of the page and what are...
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