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私のプロジェクトでは、twitterのように他の人の投稿を見ることができますが、私はそこに投稿を変更できます。今私の問題は、ユーザーがそのツイートを投稿しなかった場合、私はボタンをロックできません。私はあなたが私のアイデア（特定の変数）が私は各ループのために使用すると思ったツイートのユーザーID（隠しフィールド）と一致するかどうかを確認する方法を私に示すことができますが、私はそれを使用して成功しません。グリッドビューのロックボタンをユーザーIDで
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
ShowHeader="False" onrowcommand="GridView1_RowCommand"
onrowediting="GridView1_RowEditing" OnRowCancelingEdit="GridView1_Cancel"
onrowupdating="GridView1_RowUpdating"
onrowdeleting="GridView1_RowDeleting" >
<Columns>
<asp:TemplateField HeaderText="UserName">
<ItemTemplate>
<asp:Label ID="lbl_Username" runat="server" Text='<%#Eval("UserName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Tweet">
<ItemTemplate>
<asp:Label ID="lbl_Tweet" runat="server" Text='<%#Eval("TweetText") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="Tbx_Tweet" runat="server" Text='<%#Eval("TweetText") %>' ></asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Picture">
<ItemTemplate>
<asp:Image ID="Pic" runat="server" ImageUrl='<%#"~/UploadedImages/"+Eval("PicName") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Like">
<ItemTemplate>
<asp:Button ID="Button1" runat="server" Text="Like" CommandName="Like" CommandArgument='<%# Container.DataItemIndex %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="ReTweet">
<ItemTemplate>
<asp:Button ID="Button2" runat="server" Text="ReTweet" CommandName="ReTweet" CommandArgument='<%# Container.DataItemIndex %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TweetID" Visible="true">
<ItemTemplate>
<asp:Label ID="lbl_TweetID" runat="server" Text='<%#Eval("TweetID") %>' ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="UserID" Visible="true">
<ItemTemplate>
<asp:Label ID="lbl_UserID" runat="server" Text='<%#Eval("UserID") %>' ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField >
<ItemTemplate >
<asp:LinkButton ID="Edit" runat="server" Text="Edit" CommandName="Edit" />
</ItemTemplate>
<EditItemTemplate>
<asp:LinkButton ID="Delete" runat="server" Text="Delete" CommandName="Delete" />
<asp:LinkButton ID="btn_Update" runat="server" Text="Update" CommandName="Update"/>
<asp:LinkButton ID="btn_Cancel" runat="server" Text="Cancel" CommandName="Cancel"/>
</EditItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
は.cs：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class Tweets : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
bool f = true;
if (!IsPostBack)
{
foreach (GridViewRow row in GridView1.Rows)
{
Label l = row.FindControl("UserID") as Label;
//Response.End();
//if (int.Parse(l.Text.ToString()) != 1)
//{
// Response.End();
// row.Cells[7].Visible = false;
//}
}
BindGridview();
//foreach (GridViewRow row in GridView1.Rows)
//{
// Label l = row.FindControl("UserID") as Label;
// Response.Write(l.Text);
// //if (int.Parse(l.Text.ToString()) != 1)
// //{
// // Response.End();
// // row.Cells[7].Visible = false;
// //}
//}
}
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
int userId = 1;
if (e.CommandName == "Like")
{
int index = Convert.ToInt32(e.CommandArgument);
Label l = GridView1.Rows[index].FindControl("lbl_TweetID") as Label;
TweetHelper.Like(int.Parse(l.Text), userId);
}
if (e.CommandName == "ReTweet")
{
int index = Convert.ToInt32(e.CommandArgument);
Label l = GridView1.Rows[index].FindControl("lbl_TweetID") as Label;
TweetHelper.ReTweet(int.Parse(l.Text), userId);
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
}
protected void GridView1_Cancel(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
BindGridview();
}
public void BindGridview()
{
int userId = 1;
ServiceReference1.WebServiceSoapClient objWs = new ServiceReference1.WebServiceSoapClient();
DataSet ds = objWs.SelectTweets(userId, false);
DataTable dt = ds.Tables[0];
GridView1.DataSource = dt;
foreach (GridViewRow row in GridView1.Rows)
{
Label l = row.FindControl("UserID") as Label;
//if (int.Parse(l.Text.ToString()) != 1)
//{
// Response.End();
// // row.Cells[7].Visible = false;
//}
Response.Write(l.Text);
}
//int i = 0,x=0,y=0;
//DataTable dt1 = new DataTable();
//foreach (DataRow row in dt.Rows)
//{
// foreach (object obj in row.ItemArray)
// {
// dt1.Rows.Add(dt.Rows[x][4]);
// x++;
// }
//}
//foreach (DataRow row in dt1.Rows)
//{
// foreach (object obj in row.ItemArray)
// {
// if (obj.ToString() == userId.ToString())
// {
// GridView1.Rows[i].FindControl("Buttons").Visible = true;
// }
// else
// {
// GridView1.Rows[i].FindControl("Buttons").Visible = false;
// }
// i++;
// }
//}
GridView1.DataBind();
foreach (GridViewRow row in GridView1.Rows)
{
Label l = row.FindControl("UserID") as Label;
//if (int.Parse(l.Text.ToString()) != 1)
//{
// Response.End();
// // row.Cells[7].Visible = false;
//}
Response.Write(l.Text);
}
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
Label TweetID = GridView1.Rows[e.RowIndex].FindControl("lbl_TweetID") as Label;
TextBox TweetText = GridView1.Rows[e.RowIndex].FindControl("Tbx_Tweet") as TextBox;
TweetHelper.Updatetweet(int.Parse(TweetID.Text), TweetText.Text);
GridView1.EditIndex = -1;
BindGridview();
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
}
}
は、それが動作ありがとう – Rokni