datagridview

问题 I want to move rows from DataGridViewX1 to another form's DataGridView by using this code: Button click event: Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click frmEncodeDatabase.EncodingCompleteDataGridView.DataSource = DataGridViewX1.Rows frmEncodeDatabase.Show() End Sub Another form's DataGridView 's RowsAdd event: EncodingCompleteDataGridView.Rows.Add(frmEncode.DataGridViewX1.Rows) Now the code above is where I am having problems:

问题 We wanted to let the user to input a value which is the date when the instructor/user check his/her class attendance and then once the button is clicked the value inputted in the textbox will be transfer in the header of a dgvcheckbox. So please help us solve this problem . . we've been trying to solved this but unfortunately we can't. So I hope that you could all help us! 回答1: Try this... Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

问题 We wanted to let the user to input a value which is the date when the instructor/user check his/her class attendance and then once the button is clicked the value inputted in the textbox will be transfer in the header of a dgvcheckbox. So please help us solve this problem . . we've been trying to solved this but unfortunately we can't. So I hope that you could all help us! 回答1: Try this... Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

问题 We wanted to let the user to input a value which is the date when the instructor/user check his/her class attendance and then once the button is clicked the value inputted in the textbox will be transfer in the header of a dgvcheckbox. So please help us solve this problem . . we've been trying to solved this but unfortunately we can't. So I hope that you could all help us! 回答1: Try this... Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

问题 I have a DataGridView showing information stored in a database. Say I have a Column for subjects (Maths, English and Science), how can I make it so the DataGridView will only show the subject I choose (preferably via a dropdown box). So if I have English selected in the dropdown box, it will only show the data entries that have Subject = English. I'm pretty clueless so help is greatly appreciated, thanks. (This is in VB) 回答1: You can filter on your dataview and showing that on the datagrid.

问题 im using the following code to populate a Gridview.I add 2 buttons for editing and deleting at the end.Hook to the click event.. but after i add the delete button the click events are not firing.What im i doing wrong? private void BindGrid2() { try { string constr = "Data Source=INSPIRE-1;" + "Initial Catalog=testdatabase;" + "User id=testuser;" + "Password=tester;"; using (SqlConnection con = new SqlConnection(constr)) { string commandText = "SELECT invnumber,itemname,quantity,rate FROM

问题 I have a very simple windows form project with Entity Framework. Simply I draged my tables from "Data Source" tab in my "form" and it generate for me a "DataGridView" and a "BindingSource". Data bound successfully and when I run project I can see "DataGridView" filled with data correctly and I can update any cells value from "DataGridView". Problem is I can not insert any rows in my "DataGridView". Here is some codes that I wrote hope it be useful to solve problem: Teachers_DBEntities context

问题 I have a very simple windows form project with Entity Framework. Simply I draged my tables from "Data Source" tab in my "form" and it generate for me a "DataGridView" and a "BindingSource". Data bound successfully and when I run project I can see "DataGridView" filled with data correctly and I can update any cells value from "DataGridView". Problem is I can not insert any rows in my "DataGridView". Here is some codes that I wrote hope it be useful to solve problem: Teachers_DBEntities context

问题 Is it possible to set the datasource of a datagrid view using ajax? My objective is to bind a datagrid on clicking a hyperlink(in the same page). Please help. 回答1: You should use LinkButton Instead protected void LinkButton1_Click(object sender, EventArgs e) { // set DataSource here ..... } <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional"> <ContentTemplate> <%-- GridView--%> </ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="LinkButton1" EventName=

问题 I have a MySQL table in datagridview windows form (built in visual basic). Once column in my table has email addresses in every row. I would like the users to be able to click on the cell and it will automatically open an email message from Outlook with the email address in the cell populated in the 'to:' section of email. I've been unsuccessful adding it into the query and in the class Databindingcomplete. select name, email, phone, address from t1 where name is like 'A%' 回答1: You can use