Clearing Datagrid on Button click

Question

I want that when I click button,datagrid got cleared. So How can I do that

Manoj Sevda · Answer

Hi, If(ds.Tables[0].Rows>0) { dataGridView1.DataSource = ds; dataGridView1.DataBind(); } else { dataGridView1.DataSource = null; dataGridView1.DataBind(); }

Satyapriya Nayak · Answer

Hi Stephen, Try this... using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using System.Data.SqlClient; public partial class Default2 : System.Web.UI.Page { string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; SqlCommand com; SqlDataAdapter sqlda; DataSet ds; string str; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { bind(); } } void bind() { SqlConnection con = new SqlConnection(connStr); try { con.Open(); str = "select * from employee"; com = new SqlCommand(str, con); sqlda = new SqlDataAdapter(com); ds = new DataSet(); sqlda.Fill(ds, "employee"); DataGrid2.DataSource = ds; DataGrid2.DataMember = "employee"; DataGrid2.DataBind(); con.Close(); } catch (Exception ex) { Response.Write(ex.Message); } } protected void Btn_Clear(object sender, EventArgs e) { if (DataGrid2 != null) { DataGrid2.DataSource = null; DataGrid2.DataMember = null; DataGrid2.DataBind(); } } } Thanks If this post helps you mark it as answer

Datta Kharad · Answer

Hi private void button4_Click(object sender, EventArgs e) { if (dataGrid1 != null) { dataGrid1 .DataSource = null; } }

Priya Linge · Answer

Hi, 1. Fill Datagrid : public void getdata() { sqlConnection.Open(); string query = "select * from EmplyoeeData"; sqlCommand = new SqlCommand(query, sqlConnection); da = new SqlDataAdapter(sqlCommand); ds = new DataSet(); da.Fill(ds); //sqlCommand.ExecuteNonQuery(); dataGridView1.DataSource = ds.Tables[0]; dataGridView1.Show(); } public Form2() { InitializeComponent(); getdata(); } 2.Clear Datagrid private void button1_Click(object sender, EventArgs e) { dataGridView1.DataSource = null; dataGridView1.Show(); } Hope this will help you. Thanks.

Tulasi · Answer

HI, put this line dataGridView1.DataSource = null;