how to filter datagridview through textbox?

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I'm trying to filter rows from datagridview using this line of code in textChanged event of the textbox but

C#

(gvSideMember.DataSource as DataTable).DefaultView.RowFilter = string.Format("F_NAME LIKE '%{0}%'", textSearch.Text);

it shows me this error
Object refrence is not set to an instance? how do I solve it.

Posted 4-Dec-13 17:21pm

mschotamaster

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Thomas ktg 5-Dec-13 1:31am

Check the DataSource has value in it. If then check the column name is same for RowFilter and DataSource.

mschotamaster 5-Dec-13 1:43am

Datasource is not null how during debuging datatable is null

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Shambhoo kumar · Answer 1 · 2013-12-04T17:50:00

Solution 1

Try this code

C#

DataView dv = ((DataTable)dataGridView1.DataSource).DefaultView;
  dv.RowFilter = "FromColumn like '%" + textBox1.Text + "%'";
  dataGridView1.DataSource = dv;

thanks & Regard
Sham :)

Posted 4-Dec-13 17:50pm

Shambhoo kumar

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mschotamaster 5-Dec-13 1:15am

Its give me same error