How to bind data source to datagridview combobox and checkbox.

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I have one datagridview with combo-box and check box.

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when i try to get values from datagridview in data table it works fine. But when i tried to get value from database in same scheme of datagridview it adds rows in datagridview but does not sets combo box or check box value. For setting datasource i tried.

C#

DataTable dt = db.getSecurityCheck(dateTimePickerDate.Value);
dataGridView1.DataSource = null;
dataGridView1.DataSource = dt;`

Do i need to manually set the values by running for each loop on retrieved datatable and setting value for each cell individually.

Posted 5-Sep-14 0:28am

Chetan Saini

Updated 15-Jun-16 22:58pm

George Jonsson

v3

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George Jonsson 5-Sep-14 6:43am

How do you set the DataSource for the ComboBox?
You have to consider DisplayMember and ValueMember for the ComboBox.

Chetan Saini 5-Sep-14 6:50am

DataGridViewComboBoxColumn dcombo;
dcombo.DataSource=db.getBuses();
dcombo.DisplayMember = "BusId";
dcombo.ValueMember = "Id";

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2014-09-05T02:13:00

Solution 1

I guess...

Instead of below...

C#

DataGridViewComboBoxColumn dcombo; 
dcombo.DataSource=db.getBuses();
dcombo.DisplayMember = "BusId";
dcombo.ValueMember = "Id";

You should have...

C#

DataGridViewComboBoxColumn dcombo;
dcombo = dataGridView1.Columns["ComboBoxColumnName"];
dcombo.DataSource = db.getBuses();
dcombo.DisplayMember = "BusId";
dcombo.ValueMember = "Id";

Posted 5-Sep-14 2:13am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Comments

Chetan Saini 5-Sep-14 21:32pm

Tradit dash i think dcombo is the name of column only.

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 6-Sep-14 0:43am

That is an object. You have to assign something to that as I did. So first you need to get the column and then do anything to it.

Zack Mathews · Answer 2 · 2016-06-15T22:58:00

Solution 2

Hi Chetan here is some useful and helpful link about ComboBox in DataGridView in C#

ComboBox with DataGridView in C# | A Rahim Khan's Blog[^]

ComboBox in DataGridView in C#[^]

Add ComboBox cell to DataGridview in C# on Cell Enter using DataGridViewComboBoxCell[^]

Posted 15-Jun-16 22:58pm

Zack Mathews