How to create custom editing on grid view in Asp.net

Question

How to create custom editing on grid view in Asp.net.

Akkiraju Ivaturi · Answer

Find my code here: ASP.NET Code: language="C#" masterpagefile="~/MasterPages/Default.master" title="GridView: MY example" %> autogeneratecolumns="False" datakeynames="ShipperID" emptydatatext="There are no data records to display." onpageindexchanging="gvShippers_PageIndexChanging" onrowcancelingedit="gvShippers_RowCancelingEdit" onrowcommand="gvShippers_RowCommand" onrowdeleting="gvShippers_RowDeleting" onrowediting="gvShippers_RowEditing" onrowupdating="gvShippers_RowUpdating" onsorting="gvShippers_Sorting" showfooter="true" style="margin-top: 20px;"> readonly="true" sortexpression="ShipperID" /> ' /> ' /> Code Behind file: using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Web.UI; using System.Web.UI.WebControls; public partial class GridView_MyExample : System.Web.UI.Page { private string Sort { get { return String.Concat( this.SortExpression, (this.SortDirection == SortDirection.Ascending) ? " ASC" : " DESC"); } } private SortDirection SortDirection { get { if (ViewState["SortDirection"] == null) { ViewState["SortDirection"] = SortDirection.Ascending; } return (SortDirection)ViewState["SortDirection"]; } set { ViewState["SortDirection"] = value; } } private string SortExpression { get { if (ViewState["SortExpression"] == null) { ViewState["SortExpression"] = "ShipperID"; } return ViewState["SortExpression"].ToString(); } set { ViewState["SortExpression"] = value; } } private IDictionary GetValues(GridViewRow row) { IOrderedDictionary dictionary = new OrderedDictionary(); foreach (Control control in row.Controls) { DataControlFieldCell cell = control as DataControlFieldCell; if ((cell != null) && cell.Visible) { cell.ContainingField.ExtractValuesFromCell(dictionary, cell, row.RowState, true); } } IDictionary values = new Dictionary (); foreach (DictionaryEntry de in dictionary) { values[de.Key.ToString()] = de.Value; } return values; } private void SetData() { using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString)) using (SqlCommand cmd = new SqlCommand("SELECT * FROM [Shippers]", conn)) using (SqlDataAdapter adapter = new SqlDataAdapter(cmd)) { try { conn.Open(); DataTable dt = new DataTable(); adapter.Fill(dt); DataView dv = dt.DefaultView; dv.Sort = this.Sort; gvShippers.DataSource = dv; gvShippers.DataBind(); } catch{} } } protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { this.SetData(); } } protected void gvShippers_PageIndexChanging(object sender, GridViewPageEventArgs e) { gvShippers.PageIndex = e.NewPageIndex; this.SetData(); } protected void gvShippers_Sorting(object sender, GridViewSortEventArgs e) { if (this.SortExpression.Equals(e.SortExpression)) { this.SortDirection = (this.SortDirection == SortDirection.Ascending) ? SortDirection.Descending : SortDirection.Ascending; } else { this.SortDirection = SortDirection.Ascending; } this.SortExpression = e.SortExpression; this.SetData(); } protected void gvShippers_RowEditing(object sender, GridViewEditEventArgs e) { gvShippers.EditIndex = e.NewEditIndex; this.SetData(); } protected void gvShippers_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { gvShippers.EditIndex = -1; this.SetData(); } protected void gvShippers_RowUpdating(object sender, GridViewUpdateEventArgs e) { GridViewRow row = gvShippers.Rows[e.RowIndex]; var newValues = this.GetValues(row); using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString)) using (SqlCommand cmd = new SqlCommand("UPDATE [Shippers] SET [CompanyName] = @CompanyName, [Phone] = @Phone WHERE (ShipperID = @ShipperID)", conn)) { cmd.Parameters.AddWithValue("ShipperID", gvShippers.DataKeys[row.RowIndex]["ShipperID"]); cmd.Parameters.AddWithValue("CompanyName", newValues["CompanyName"]); cmd.Parameters.AddWithValue("Phone", newValues["Phone"]); try { conn.Open(); if (cmd.ExecuteNonQuery().Equals(1)) { lblMessage.Text = String.Format( "Shipper '{0}' successfully updated.", cmd.Parameters["ShipperID"].Value); gvShippers.EditIndex = -1; this.SetData(); } } catch {} } } protected void gvShippers_RowDeleting(object sender, GridViewDeleteEventArgs e) { using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString)) using (SqlCommand cmd = new SqlCommand("DELETE FROM [Shippers] WHERE (ShipperID = @ShipperID)", conn)) { cmd.Parameters.AddWithValue("ShipperID", gvShippers.DataKeys[e.RowIndex]["ShipperID"]); try { conn.Open(); if (cmd.ExecuteNonQuery().Equals(1)) { lblMessage.Text = String.Format( "Shipper '{0}' successfully deleted.", cmd.Parameters["ShipperID"].Value); this.SetData(); } } catch {} } } protected void gvShippers_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName.Equals("Insert")) { LinkButton btnInsert = e.CommandSource as LinkButton; if (btnInsert == null) { return; } GridViewRow row = btnInsert.NamingContainer as GridViewRow; TextBox txtCompanyName = row.FindControl("txtCompanyName") as TextBox; TextBox txtPhone = row.FindControl("txtPhone") as TextBox; if (txtCompanyName == null) { return; } if (txtPhone == null) { return; } using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString)) using (SqlCommand cmd = new SqlCommand("INSERT INTO [Shippers] ([CompanyName], [Phone]) VALUES (@CompanyName, @Phone); SELECT @ShipperID = SCOPE_IDENTITY()", conn)) { cmd.Parameters.AddWithValue("CompanyName", txtCompanyName.Text); cmd.Parameters.AddWithValue("Phone", txtPhone.Text); cmd.Parameters.Add("ShipperID", SqlDbType.Int); cmd.Parameters["ShipperID"].Direction = ParameterDirection.Output; try { conn.Open(); if (cmd.ExecuteNonQuery().Equals(1)) { lblMessage.Text = String.Format( "Shipper '{0}' successfully added.", cmd.Parameters["ShipperID"].Value); this.SetData(); } } catch {} } } } }

Satyapriya Nayak · Answer

Hi Prabhakar, Untitled Page DataKeyNames="VendorId" AllowPaging="True" CellPadding="3" OnPageIndexChanging="ResultGridView_PageIndexChanging" OnRowDeleting="ResultGridView_RowDeleting" OnRowEditing="ResultGridView_RowEditing" OnRowUpdating="ResultGridView_RowUpdating" OnRowCancelingEdit="ResultGridView_RowCancelingEdit" PageSize="5" BackColor="#DEBA84" BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellSpacing="2" OnRowCommand="ResultGridView_RowCommand" AllowSorting="true" onsorting="ResultGridView_Sorting"> ReadOnly="True" SortExpression="VendorId" /> '> '> '> '> '> '> '> '> '> '> '> '> onclick="btn_search_Click" /> using System; 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 _Default : System.Web.UI.Page { string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; //SqlConnection conn = new SqlConnection(connStr); SqlDataAdapter ad = new SqlDataAdapter(); SqlCommand cmd = new SqlCommand(); DataTable dataTable; SqlDataAdapter sqlda; DataSet ds; string str; protected void Page_Load(object sender, EventArgs e) { Session["sortBy"] = null; if (!IsPostBack) { FillVendorGrid(); } } private void FillVendorGrid() { SqlConnection conn = new SqlConnection(connStr); dataTable = new DataTable(); cmd.Connection = conn; cmd.CommandText = "SELECT * FROM Vendor"; ad = new SqlDataAdapter(cmd); ad.Fill(dataTable); ResultGridView.DataSource = dataTable; ResultGridView.DataBind(); } protected void ResultGridView_RowEditing(object sender, GridViewEditEventArgs e) { ResultGridView.EditIndex = e.NewEditIndex; FillVendorGrid(); } protected void ResultGridView_PageIndexChanging(object sender, GridViewPageEventArgs e) { ResultGridView.PageIndex = e.NewPageIndex; FillVendorGrid(); } protected void ResultGridView_RowDeleting(object sender, GridViewDeleteEventArgs e) { SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "DELETE FROM Vendor WHERE VendorId='" + ResultGridView.DataKeys[e.RowIndex].Values[0].ToString() + "'"; conn.Open(); cmd.ExecuteNonQuery(); conn.Close(); FillVendorGrid(); } protected void ResultGridView_RowUpdating(object sender, GridViewUpdateEventArgs e) { TextBox txtFName = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtFName"); TextBox txtLName = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtLName"); TextBox txtCity = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtCity"); TextBox txtState = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtState"); TextBox txtCountry = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtCountry"); TextBox txtDescription = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtDescription"); SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "UPDATE Vendor SET VendorFName ='" + txtFName.Text + "',VendorLName ='" + txtLName.Text + "',VendorCity ='" + txtCity.Text + "',VendorState ='" + txtState.Text + "',VendorCountry ='" + txtCountry.Text + "',VendorDescription ='" + txtDescription.Text + "' WHERE VendorId='" + ResultGridView.DataKeys[e.RowIndex].Values[0].ToString() + "'"; conn.Open(); cmd.ExecuteNonQuery(); ResultGridView.EditIndex = -1; FillVendorGrid(); conn.Close(); } protected void ResultGridView_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { ResultGridView.EditIndex = -1; FillVendorGrid(); } protected void ResultGridView_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName.Equals("AddNew")) { TextBox txtFName = (TextBox)ResultGridView.FooterRow.FindControl("txtFName1"); TextBox txtLName = (TextBox)ResultGridView.FooterRow.FindControl("txtLName1"); TextBox txtCity = (TextBox)ResultGridView.FooterRow.FindControl("txtCity1"); TextBox txtState = (TextBox)ResultGridView.FooterRow.FindControl("txtState1"); TextBox txtCountry = (TextBox)ResultGridView.FooterRow.FindControl("txtCountry1"); TextBox txtDescription = (TextBox)ResultGridView.FooterRow.FindControl("txtDescription1"); SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "INSERT INTO Vendor(VendorFName, VendorLName,VendorCity,VendorState,VendorCountry,VendorDescription) Values('" + txtFName.Text + "', '" + txtLName.Text + "', '" + txtCity.Text + "', '" + txtState.Text + "', '" + txtCountry.Text + "' , '" + txtDescription.Text + "')"; conn.Open(); cmd.ExecuteNonQuery(); FillVendorGrid(); conn.Close(); } } protected void btn_search_Click(object sender, EventArgs e) { SqlConnection conn = new SqlConnection(connStr); conn.Open(); str = "select * from Vendor where VendorFName like '" + TextBox1.Text + "%'"; cmd = new SqlCommand(str, conn); sqlda = new SqlDataAdapter(cmd); ds = new DataSet(); sqlda.Fill(ds, "Vendor"); conn.Close(); ResultGridView.DataSource = ds; ResultGridView.DataMember = "Vendor"; ResultGridView.DataBind(); } protected void ResultGridView_Sorting(object sender, GridViewSortEventArgs e) { Session["sortBy"] = e.SortExpression; FillVendorGrid(); } } Thanks If this post helps you mark it as answer

Sukesh Marla · Answer

Use EditTemplate in GridView TemplateField Check this link http://www.codeproject.com/Articles/18136/Edit-Individual-GridView-Cells-in-ASP-NET C heck this is correct answer if it helped.