gridview控件 [英] gridview controls

问题描述

在我的网格视图中，我有一个模板字段，标题文本为"Action"

在该模板字段中，我有一个项目模板，其链接按钮的ID为lnkassign.

我已经为该linkbutton设置了一些图片.

我想要它，以便当我单击该链接按钮时，应该设置另一个图像.

我该怎么办?

该代码将出现在gridview1_rowdatabound
或
gridview_rowcommand

In my gridview I have one template field with Header text="Action"

In that template field I have an item template as a linkbutton with id lnkassign.

I have set some image to that linkbutton.

I want it so that when I click on that linkbutton another image should be set.

How do I do this?

The code will come in gridview1_rowdatabound
or
gridview_rowcommand

推荐答案

hi，

这将在"gridview_rowcommand"事件下进行

请按照以下步骤操作:

步骤1:

This will come under "gridview_rowcommand" Event

please follow bellow steps:

step 1:

<asp:GridView ID="grd" runat="server" AutoGenerateColumns="false"

            onrowcommand="grd_RowCommand">
    <Columns>
    <asp:TemplateField HeaderText="ID">
        <ItemTemplate>
            <asp:Label ID="lbl" Text='<%#Eval("ID") %>' runat="server"></asp:Label>
        </ItemTemplate>
    </asp:TemplateField>
        <asp:TemplateField HeaderText="Action">
            <ItemTemplate>
                <asp:LinkButton ID="lnk" CommandArgument='<%#Eval("ID") %>' CommandName="vsr" Text="<img src='images/img1.jpg' border='0' />" runat="server">
                </asp:LinkButton>
            </ItemTemplate>
        </asp:TemplateField>
    </Columns>
    </asp:GridView>

步骤2:

受保护的void Page_Load(对象发送者，EventArgs e)
{
如果(！IsPostBack)
{
DataTable myDataTable = new DataTable();

DataColumn myDataColumn;

myDataColumn = new DataColumn();
myDataColumn.DataType = Type.GetType("System.String");
myDataColumn.ColumnName ="ID"; //这是更新索引
myDataTable.Columns.Add(myDataColumn);
//
DataRow行；
for(int i = 0; i< 10; i ++)
{
行= myDataTable.NewRow();
row ["ID"] = i;
myDataTable.Rows.Add(row);
}
grd.DataSource = myDataTable.DefaultView;
grd.DataBind();
}
}
受保护的void grd_RowCommand(object sender，GridViewCommandEventArgs e)
{
如果(e.CommandName =="vsr")
{
int i = Convert.ToInt32(e.CommandArgument);
GridView gr =(GridView)发送器;
LinkBut​​ton lnk =(LinkBut​​ton)(gr.Rows [i] .FindControl("lnk")));
lnk.Text =< img src =" images/img2.jpg"border =" 0"/>" ;;
}
}

步骤3:

在您的项目中添加图片文件夹，在该文件夹中添加添加2张图片
这些图像名称img1.jpg和img2.jpg

Step 2:

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataTable myDataTable = new DataTable();

DataColumn myDataColumn;

myDataColumn = new DataColumn();
myDataColumn.DataType = Type.GetType("System.String");
myDataColumn.ColumnName = "ID"; //this is index for update
myDataTable.Columns.Add(myDataColumn);
//
DataRow row;
for(int i=0;i<10;i++)
{
row = myDataTable.NewRow();
row["ID"] = i;
myDataTable.Rows.Add(row);
}
grd.DataSource = myDataTable.DefaultView;
grd.DataBind();
}
}
protected void grd_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "vsr")
{
int i=Convert.ToInt32(e.CommandArgument);
GridView gr = (GridView)sender;
LinkButton lnk = (LinkButton)(gr.Rows[i].FindControl("lnk"));
lnk.Text = "<img src=''images/img2.jpg'' border=''0'' />";
}
}

Step 3:

add image folder in your project, add add 2 images in that folder
those image names img1.jpg and img2.jpg

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