Searching data from gridview

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Hello All,

I want to search data from grid view where i have 3 columns
Name
address
contact number

I have huge database and for search and highlight that i have used below code,

C#

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            for (int i = 0; i < datagridviewserach.Columns.Count; i++)
            {
                for (int j = 0; j < datagridviewserach.Rows.Count; j++)
                {
                    if (datagridviewserach[i, j].Value != null)
                    {
                        if (datagridviewserach[i, j].Value.ToString() == comboBox1.Text)
                        {
                            datagridviewserach[i, j].Style.BackColor = Color.Blue;
                            datagridviewserach.Rows[j].DefaultCellStyle.BackColor = Color.Red;
                        }
                        else datagridviewserach[i, j].Style.BackColor = Color.White;
                    }
                }
            }
        }

I have put this same code in all three combo box
but search option is working only on NAME column.
It should worked on 3 column individual.
How to solve this ???

Posted 23-Jun-12 3:20am

Sanna_001

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DamithSL · Answer 1 · 2012-06-23T05:43:00

You can have one event for all as below, you can select the combo box on designer and go to events and select ComboBoxSelectedIndexChanged as SelectedIndexChanged event.

Note that you can cast sender as ComboBox and get text.

C#

private void ComboBoxSelectedIndexChanged(object sender, EventArgs e)
{
	ComboBox comboBox = (ComboBox) sender;
	for (int i = 0; i < datagridviewserach.Columns.Count; i++)
	{
		for (int j = 0; j < datagridviewserach.Rows.Count; j++)
		{
			if (datagridviewserach[i, j].Value != null)
			{
				if (datagridviewserach[i, j].Value.ToString() == comboBox.Text)
				{
					datagridviewserach[i, j].Style.BackColor = Color.Blue;
					datagridviewserach.Rows[j].DefaultCellStyle.BackColor = Color.Red;
				}
				else datagridviewserach[i, j].Style.BackColor = Color.White;
			}
		}
	}
}