如何在asp.net中插入下拉列表所选值到GridView中
本文关键字：GridView 下拉列表 插入 asp net | 更新日期: 2023-09-27 18:01:57
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Drawing;
namespace NewDPOcopy
{
public partial class UpdatePaperCost : System.Web.UI.Page
{
Services.ServiceAuthentication ser = new Services.ServiceAuthentication();
// Services.ServiceAuthentication ser = new Services.ServiceAuthentication();
protected void Page_Load(object sender, EventArgs e)
{
fillgrodPaperType();
ddlcatid.Visible = true;
ddlcatid.DataSource = ser.Getpapercategory();
ddlcatid.DataTextField = "Cat_Name";
//ddlcatid.DataValueField = "Cat_id";
ddlcatid.DataBind();
}
protected void fillgrodPaperType()
{
Services.PaperTypes[] PaperInfo = ser.GetALLPaperTypeInfo();
DataTable dt = new DataTable();
dt.Columns.Add(new DataColumn("pt_id", typeof(string)));
dt.Columns.Add(new DataColumn("pt_name", typeof(string)));
dt.Columns.Add(new DataColumn("pt_weight", typeof(int)));
dt.Columns.Add(new DataColumn("pt_size", typeof(string)));
dt.Columns.Add(new DataColumn("pt_cost_per_sheet", typeof(double)));
dt.Columns.Add(new DataColumn("pt_status", typeof(string)));
dt.Columns.Add(new DataColumn("pt_used_by_247", typeof(Boolean)));
dt.Columns.Add(new DataColumn("pt_front_finish", typeof(string)));
dt.Columns.Add(new DataColumn("pt_back_finish", typeof(string)));
dt.Columns.Add(new DataColumn("pt_default", typeof(Boolean)));
dt.Columns.Add(new DataColumn("pt_colour", typeof(string)));
dt.Columns.Add(new DataColumn("pt_nexpress", typeof(Boolean)));
dt.Columns.Add(new DataColumn("pt_igen", typeof(Boolean)));
dt.Columns.Add(new DataColumn("Cat_Name", typeof(string)));
for (int i = 0; i < PaperInfo.Length; i++)
{
DataRow dr = null;
dr = dt.NewRow();
dr["pt_id"] = PaperInfo[i].Pt_id;
dr["pt_name"] = PaperInfo[i].Pt_name;
dr["pt_weight"] = PaperInfo[i].Pt_weight;
dr["pt_size"] = PaperInfo[i].Pt_size;
dr["pt_cost_per_sheet"] = PaperInfo[i].Pt_cost_per_sheet;
// dr["pt_cost_per_sheet"] = 12;
dr["pt_status"] = PaperInfo[i].Pt_status;
dr["pt_used_by_247"] = PaperInfo[i].Pt_used_by_247;
dr["pt_front_finish"] = PaperInfo[i].Pt_front_finish;
dr["pt_back_finish"] = PaperInfo[i].Pt_back_finish;
dr["pt_default"] = PaperInfo[i].Pt_default;
dr["pt_colour"] = PaperInfo[i].Pt_colour;
dr["pt_nexpress"] = PaperInfo[i].Pt_nexpress;
dr["pt_igen"] = PaperInfo[i].Pt_igen;
dr["Cat_Name"] = PaperInfo[i].Cat_Id;
dt.Rows.Add(dr);
}
GrdvwPTID.DataSource = dt;
GrdvwPTID.DataBind();
//ddlPTID.DataSource = dt;
//ddlPTID.DataTextField = "pt_name";
//ddlPTID.DataValueField = "pt_id";
//ddlPTID.DataBind();
}
protected void ClearPaperType()
{
txtptid.Text = "";
txtptname.Text = "";
txtptweight.Text = "";
txtptsize.Text = "";
txtptcostpersheet.Text = "";
txtptstatus.Text = "";
txtptfontfinish.Text = "";
txtptbackfinish.Text = "";
txtptcolor.Text = "";
ddlptdefault.ClearSelection();
ddlptdefault.Items.FindByText("<--select-->").Selected = true;
ddlptnexpress.ClearSelection();
ddlptnexpress.Items.FindByText("<--select-->").Selected = true;
ddlptusedby247.ClearSelection();
ddlptusedby247.Items.FindByText("<--select-->").Selected = true;
ddlptigen.ClearSelection();
ddlptigen.Items.FindByText("<--select-->").Selected = true;
lblMessagePTYPE.Visible = false;
HiddenField2.Value = "";
}
protected void GrdvwPTID_SelectedIndexChanged(object sender, EventArgs e)
{
}
protected void GrdvwPTID_RowCommand(object sender, GridViewCommandEventArgs e)
{
int index = Convert.ToInt32(e.CommandArgument);
Session["INDEX"] = index;
lblMessagePTYPE.Visible = false;
txtptid.Text = GrdvwPTID.Rows[index].Cells[1].Text;
txtptname.Text = GrdvwPTID.Rows[index].Cells[2].Text;
txtptweight.Text = GrdvwPTID.Rows[index].Cells[3].Text;
txtptsize.Text = GrdvwPTID.Rows[index].Cells[4].Text;
txtptcostpersheet.Text = GrdvwPTID.Rows[index].Cells[5].Text;
txtptstatus.Text = GrdvwPTID.Rows[index].Cells[6].Text;
ddlptusedby247.ClearSelection();
if (GrdvwPTID.Rows[index].Cells[7].Text == "True")
{
ddlptusedby247.Items.FindByText("Yes").Selected = true;
}
else
{
ddlptusedby247.Items.FindByText("No").Selected = true;
}
txtptfontfinish.Text = GrdvwPTID.Rows[index].Cells[8].Text;
txtptbackfinish.Text = GrdvwPTID.Rows[index].Cells[9].Text;
ddlptdefault.ClearSelection();
if (GrdvwPTID.Rows[index].Cells[10].Text == "True")
{
ddlptdefault.Items.FindByText("Yes").Selected = true;
}
else
{
ddlptdefault.Items.FindByText("Yes").Selected = false;
}
txtptcolor.Text = GrdvwPTID.Rows[index].Cells[11].Text;
ddlptnexpress.ClearSelection();
if (GrdvwPTID.Rows[index].Cells[12].Text == "True")
{
ddlptnexpress.Items.FindByText("Yes").Selected = true;
}
else
{
ddlptnexpress.Items.FindByText("No").Selected = true;
}
ddlptigen.ClearSelection();
if (GrdvwPTID.Rows[index].Cells[13].Text == "True")
{
ddlptigen.Items.FindByText("Yes").Selected = true;
}
else
{
ddlptigen.Items.FindByText("Yes").Selected = false;
}
//ddlcatid.ClearSelection();
//if (GrdvwPTID.Rows[index].Cells[14].Text == "True")
//{
// ddlcatid.Items.FindByText("Yes").Selected = true;
//}
//else
//{
// ddlcatid.Items.FindByText("Yes").Selected = false;
//}
HiddenField2.Value = "EditPAPERTYPE";
}
protected void btnsubmit_Click(object sender, EventArgs e)
{
if (txtptid.Text == "" || txtptname.Text == "" || txtptweight.Text == "" || txtptsize.Text == "" || txtptcostpersheet.Text == "" || txtptstatus.Text == "" || txtptfontfinish.Text == "" || txtptbackfinish.Text == "" || txtptcolor.Text == "" || ddlptdefault.SelectedItem.ToString() == "<--select-->" || ddlptnexpress.SelectedItem.ToString() == "<--select-->" || ddlptusedby247.SelectedItem.ToString() == "<--select-->" || ddlptigen.SelectedItem.ToString() == "<--select-->")
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Red;
lblMessagePTYPE.Text = "FILL ALL THE FIELDS AND CLICK HERE TO SUBMIT";
}
else
{
Boolean ptused247;
if (ddlptusedby247.SelectedItem.ToString() == "Yes")
{
ptused247 = true;
}
else
{
ptused247 = false;
}
Boolean ptDefault;
if (ddlptdefault.SelectedItem.ToString() == "Yes")
{
ptDefault = true;
}
else
{
ptDefault = false;
}
Boolean ptNexPRESS;
if (ddlptnexpress.SelectedItem.ToString() == "Yes")
{
ptNexPRESS = true;
}
else
{
ptNexPRESS = false;
}
Boolean ptIgen;
if (ddlptigen.SelectedItem.ToString() == "Yes")
{
ptIgen = true;
}
else
{
ptIgen = false;
}
Boolean catName;
if (ddlcatid.SelectedItem.ToString() == "Yes")
{
catName = true;
}
else
{
catName = false;
}
//insert Query Call...........
if (HiddenField2.Value != "EditPAPERTYPE")
{
bool InsertResultPT = ser.InsertPaperType(txtptid.Text, txtptname.Text, Convert.ToInt32(txtptweight.Text), txtptsize.Text, Convert.ToDouble(txtptcostpersheet.Text), txtptstatus.Text, ptused247, txtptfontfinish.Text, txtptbackfinish.Text, ptDefault, txtptcolor.Text, ptNexPRESS, ptIgen, catName);
if (InsertResultPT)
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Green;
lblMessagePTYPE.Text = "PAPER TYPE VALUES INSERTED SUCCESSFULLY!";
fillgrodPaperType();
}
else
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Red;
lblMessagePTYPE.Text = "YOU ENTERED WRONG VALUES !";
}
// ClearPaperType();
txtptid.Text = "";
txtptname.Text = "";
txtptweight.Text = "";
txtptsize.Text = "";
txtptcostpersheet.Text = "";
txtptstatus.Text = "";
txtptfontfinish.Text = "";
txtptbackfinish.Text = "";
txtptcolor.Text = "";
ddlptdefault.ClearSelection();
ddlptdefault.Items.FindByText("<--select-->").Selected = true;
ddlptnexpress.ClearSelection();
ddlptnexpress.Items.FindByText("<--select-->").Selected = true;
ddlptusedby247.ClearSelection();
ddlptusedby247.Items.FindByText("<--select-->").Selected = true;
ddlptigen.ClearSelection();
ddlptigen.Items.FindByText("<--select-->").Selected = true;
HiddenField2.Value = "";
}
else
{
//Update Query Call...........
bool UpdateResult = ser.UpdatePaperTypes(txtptid.Text, txtptname.Text, Convert.ToInt16(txtptweight.Text), txtptsize.Text, Convert.ToDouble(txtptcostpersheet.Text), txtptstatus.Text, ptused247, txtptfontfinish.Text, txtptbackfinish.Text, ptDefault, txtptcolor.Text, ptNexPRESS, ptIgen,catName);
if (UpdateResult)
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Green;
lblMessagePTYPE.Text = "PAPER TYPE VALUES UPDATED SUCCESSFULLY!";
fillgrodPaperType();
txtptid.Text = "";
txtptname.Text = "";
txtptweight.Text = "";
txtptsize.Text = "";
txtptcostpersheet.Text = "";
txtptstatus.Text = "";
txtptfontfinish.Text = "";
txtptbackfinish.Text = "";
txtptcolor.Text = "";
ddlptdefault.ClearSelection();
ddlptdefault.Items.FindByText("<--select-->").Selected = true;
ddlptnexpress.ClearSelection();
ddlptnexpress.Items.FindByText("<--select-->").Selected = true;
ddlptusedby247.ClearSelection();
ddlptusedby247.Items.FindByText("<--select-->").Selected = true;
ddlptigen.ClearSelection();
ddlptigen.Items.FindByText("<--select-->").Selected = true;
HiddenField2.Value = "";
}
else
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Red;
lblMessagePTYPE.Text = "Updation failed please try again.";
}
HiddenField2.Value = "";
}
}
txtptid.Text = "";
txtptname.Text = "";
txtptweight.Text = "";
txtptsize.Text = "";
txtptcostpersheet.Text = "";
txtptstatus.Text = "";
txtptfontfinish.Text = "";
txtptbackfinish.Text = "";
txtptcolor.Text = "";
ddlptdefault.ClearSelection();
ddlptdefault.Items.FindByText("<--select-->").Selected = true;
ddlptnexpress.ClearSelection();
ddlptnexpress.Items.FindByText("<--select-->").Selected = true;
ddlptusedby247.ClearSelection();
ddlptusedby247.Items.FindByText("<--select-->").Selected = true;
ddlptigen.ClearSelection();
ddlptigen.Items.FindByText("<--select-->").Selected = true;
HiddenField2.Value = "";
}
protected void btndelete_Click1(object sender, EventArgs e)
{
if (HiddenField2.Value != "EditPAPERTYPE")
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Red;
lblMessagePTYPE.Text = "PLEASE SELECT THE RECORD FROM TABLE!";
}
else
{
bool deletePaperType = ser.RemovePaperType(GrdvwPTID.Rows[Convert.ToInt16(Session["INDEX"].ToString())].Cells[1].Text);
if (deletePaperType)
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Green;
lblMessagePTYPE.Text = "PAPER TYPE VALUES HAS BEEN DELETED SUCCESSFULLY!";
HiddenField2.Value = "";
}
else
{
lblMessagePTYPE.Visible = true;
lblMessagePTYPE.ForeColor = Color.Red;
lblMessagePTYPE.Text = "No match found !";
HiddenField2.Value = "";
}
// ClearPaperType();
txtptid.Text = "";
txtptname.Text = "";
txtptweight.Text = "";
txtptsize.Text = "";
txtptcostpersheet.Text = "";
txtptstatus.Text = "";
txtptfontfinish.Text = "";
txtptbackfinish.Text = "";
txtptcolor.Text = "";
ddlptdefault.ClearSelection();
ddlptdefault.Items.FindByText("<--select-->").Selected = true;
ddlptnexpress.ClearSelection();
ddlptnexpress.Items.FindByText("<--select-->").Selected = true;
ddlptusedby247.ClearSelection();
ddlptusedby247.Items.FindByText("<--select-->").Selected = true;
ddlptigen.ClearSelection();
ddlptigen.Items.FindByText("<--select-->").Selected = true;
fillgrodPaperType();
}
}
protected void btncancel_Click(object sender, EventArgs e)
{
ClearPaperType();
}
}
}
我有上面的代码在Page_lode事件它的绑定值下拉，但当我要插入，但它不插入和不显示到gridview，但在下拉框所有的值都绑定如何插入到gridview ?
正确的方法是在绑定gridview之前将全局变量作为数据源(您自己构建的数据表)，当有人从下拉菜单(或您想要的任何事件)中选择某些内容时，更新内容/插入到全局变量中，然后将其重新绑定到grid-view。