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Here i will explain that how to show Database value in DataGrid View.
Step(1): Form
Drag and down a data Gridview and a Button from tool box.
Step(2): Code
Now click on Botton (Load Button). and write this code
SqlConnection con = new SqlConnection("server = MUNESH;Database=datastore;UID=sa;Password=123;");
SqlCommand cmd = new SqlCommand("Select * from data1", con);
try
{
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataTable dt = new DataTable();
da.Fill(dt);
BindingSource bsource = new BindingSource ();
bsource .DataSource = dt;
dataGridView1.DataSource = bsource ;
}
catch (Exception ec)
{
MessageBox.Show(ec.Message);
}
If you Don't want to load data in datagrid view at button click then you can make function for filling this datagridview.
public void displayDataGridView()
{
SqlConnection con = new SqlConnection("server = MUNESH;Database=datastore;UID=sa;Password=123;");
SqlCommand cmd = new SqlCommand("Select * from data1", con);
try
{
con.Open();
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataTable dt = new DataTable();
da.Fill(dt);
dataGridView1.DataSource = dt;
con.Close();
}
catch (Exception ec)
{
MessageBox.Show(ec.Message);
}}
Step(3): Run
Now run your application.
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