Conditionally Active Datagridview ComboBox

Question

I want only the comboBoxes that are in front of the checked checkboxes to be active and the others to be passive. My codes are those. How can I integrate these codes? private void button1_Click(object sender, EventArgs e) { int i = 0; List ChkedRow = new List (); if (dataGridView1.Rows.Count > 0) for (i = 0; i 1) { rowIndexWithMultipleYes = rowIndex; break; } } } //Evet sayimina dayali sonuç gösterme if (yesCount == 0) { MessageBox.Show("Kafile baskani seçmediniz. Bir kisi kafile baskani olarak seçilmelidir.", "UYARI", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } else if (yesCount > 1) { MessageBox.Show("Birden fazla kafile baskani seçtiniz. Yalnizca bir kisi kafile baskani olarak seçilmelidir.", "UYARI", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } else if (rowIndexWithMultipleYes != -1) { //1'den fazla kisi seçimi durumunda yapilacak uyari for (int rowIndex = 0; rowIndex

Mehmet Fatih · Answer

Thanks CR Bhargavi. I have solved the problem with the following codes. private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e) { object value = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value; if (value != null && value.ToString() != string.Empty) { DataGridViewRow row = dataGridView1.Rows[e.RowIndex]; if (Convert.ToBoolean(row.Cells[pid.Name].Value) == false) { MessageBox.Show("Öncelikle geziye katilacak kisi seçilmelidir."); } } } private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { object value = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value; if (value != null && value.ToString() != string.Empty) { dataGridView1.Rows[e.RowIndex].Cells[1].ReadOnly = true; } else { dataGridView1.Rows[e.RowIndex].Cells[1].ReadOnly = false; } }

Cr Bhargavi · Answer

To highlight your Message box and others as passive, you should do these following, Add a CheckBox column to your `dataGridView1` to represent the selection status for each row. Attach an event handler to the CheckBox column to capture the check/uncheck events. In the event handler, enable or disable the corresponding ComboBox based on the checkbox status. Here's how you can modify your code to achieve this: Assuming the name of the CheckBox column is "cbxSelect" and the name of the DataGridViewComboBoxColumn is "kbaskani": 1. Add a CheckBox column to your `dataGridView1`. This can be done either programmatically or through the designer. 2. Attach an event handler to the CheckBox column to capture the check/uncheck events. In this example, let's name the event handler `cbxSelect_CheckedChanged`. 3. In the `cbxSelect_CheckedChanged` event handler, enable or disable the corresponding ComboBox based on the checkbox status. Here's the modified code: private void cbxSelect_CheckedChanged(object sender, EventArgs e) { CheckBox checkBox = (CheckBox)sender; // Get the current row index where the CheckBox is located int rowIndex = dataGridView1.CurrentCell.RowIndex; // Enable or disable the ComboBox based on the CheckBox status if (checkBox.Checked) { dataGridView1.Rows[rowIndex].Cells["kbaskani"].ReadOnly = false; } else { dataGridView1.Rows[rowIndex].Cells["kbaskani"].ReadOnly = true; } } private void button1_Click(object sender, EventArgs e) { // Your existing code for button1_Click remains unchanged // ... } Make sure to update the event handler assignment in your code when you add the CheckBox column to your `dataGridView1`. You can do this in the form's constructor or the Load event handler: private void YourForm_Load(object sender, EventArgs e) { // Attach the event handler to the CheckBox column DataGridViewCheckBoxColumn checkBoxColumn = (DataGridViewCheckBoxColumn)dataGridView1.Columns["cbxSelect"]; checkBoxColumn.CellValueChanged += cbxSelect_CheckedChanged; } With these modifications, the ComboBoxes will be enabled only for the rows where the corresponding CheckBox is checked, and they will be disabled for unchecked rows.