Automatic Refresh DataSet - Windows From C#
Hi all,i'm very noob with C# and visual studio and i'm trying to create a windows form that pick data from an SQL database and show it. The problem is that my database receives continually data from...
View ArticleNeed help with non-bound forms
OK.. not really sure how to ask this so I will explain what I'm trying and hopefully get an answer.I am writing an application that will allow me to move and/or update data. This will be a large...
View ArticleHow to convert a database float to double
Helloi hope I'm in the right forum I'm trying to get a float value out the datbase and caculate that column and then show the answer in a textbox. But what is happing is i get an exception i understand...
View ArticleReference data in the DataSet directly without binding to form objects.
What I am looking for, is a way to dynamically reference data in a DataSet. I want to do this without binding to any controls. I used to do this all the time in VB6 (I almost never bound controls),...
View Articleerror In the codes to enter data through form
Dear AllDim cn As New OleDbConnection Dim cmd As New OleDbCommand Dim sql As String cn.ConnectionString = "Provider=Microsoft.ACE.OLEDB.15.0;data source = Sample.accdb" cmd.Connection = cn cn.Open()...
View Articlehow to add sum of total column of a grid view to a textbox control in a form
HiI am beginner in c#, I have the following column in a gridviewitem, qty, rate, total. The total of each row should be added to a another textbox in a form to get net total. The following is my...
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Import Bulk of Excel data's to SQL Database using button control...
Hi Everyone, I developed 1 windows application,now I would like to import all the employee data's to database itseems..I don't want to add each & every employee...I've all the employee details...
View ArticleAutoComplete and more than one column shown
I am making a textBox with autocomplete. I use a sql read from a DB for both the name and ID.The textBox shows all the table info and works well. Now when I select a name I want it to get the ID (for...
View ArticleDataGridView doesn't keep column order
I have a DataGridView on my form that I bind to a BindingSource, which in turn is bound to BindingList<MyStruct>.MyStruct is a custom struct with three public properties (say A, B, C).I set up...
View Articlegetting error in sql string with union
Dear all I want to insert data in two tables and made a sql string with insert statement for each table and want to use UNION to insert data to two tables at a time but I am getting syntax error in...
View Articlesetting an Image column in a datagrid view based on a value in the database c#
Hi guys, I have a datagridview which has a image column, I need to set this image based on a value in a database table. For instance if the field in the table is "laptop" the column will display image...
View ArticleListView control data to be stored until finally saved by Entity Framework
Hi All,I have a scenario in my project. I'm using Entity Framework 4 with Asp.Net, C#.Problem statement:There are several sections and relations among tables. The gets populated and saved in one go....
View ArticleExport selected rows to Excel from Datagridview using C# winfroms..
Hi Everyone, Here am using Datagridview with checkboxes...If I select check boxes and clicks on Export button only Headers were exporting to Excel sheet not the selected rows..could any one tell me...
View ArticleIn C#, How can I jump to a cell in a datagridview when the value of that...
Hi guys,Here is my scenario. I have a datargridview which has columns Part Number, Qty, Description and Product type.when I need to enter a new part number, if it doesn't exists already in the dgv, it...
View ArticleFirst entry In database when ID Text box is hidden
Dear allI have created Access database and manually attach to windows form and no records are in database . I want to use insert statement to add data butI want to keep IDTextBox hidden and still my...
View ArticlePopulating DataGridView ComboBox
I have a DataGridView that has a ComboBox column. I'm trying to figure out how to populate the ComboBox dropdown list at runtime. I know I can fill it at design to by editing the DataGridView columns....
View ArticleDataGridView, how to capture a cell's KeyPress event...
Hello all, I am trying to implement an event handler for the KeyPress event for a cell within a DataGridView control. The obvous starting point from the DataGridView keypress event, but this doesn't...
View ArticleHow to Change the element to in this list and change the Values...
I need to get the checked rows values and print them (2 rows per page sequentially ordered like in the gridview) till print all checked rows it works fine in this code below but I need to load this...
View Articlerows number returned by OleDbCommand
gggggI have a dbf file- bill.dbf .name, endDate, value-------------------------- john,1/2/2010,25 boni,1/3/2010,75 john,8/4/2009,35 boni,2/2/2010,10 dany,12/2/2009,95 I created a query that give me the...
View ArticleValue of type 'String' cannot be converted to 'System.Windows.Forms.Control'.
Hi,I am getting error at ActiveX grid controlChild.EnableControl(grd.Text, False) Public Sub EnableControl(ByVal ctlItem As Control, ByVal blnEnabled As Boolean, Optional ByVal lblitem As Label =...
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