net4:GridView中的重要操作(添加checkbox,以及鼠标动作,行颜色等)
2017-07-09 15:04
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原文发布时间为:2008-07-29 —— 来源于本人的百度文章 [由搬家工具导入]
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Label1.Text = GridView1.PageCount.ToString();
Label2.Text = Convert.ToString( GridView1.PageIndex + 1);
if (!IsPostBack)
{
for (int i = 1; i <= GridView1.Columns.Count; i++)
{
DropDownList1.Items.Add(i.ToString());
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int c = Convert.ToInt32(DropDownList1.SelectedValue) - 1;
GridView1.Columns[c].Visible = false;
}
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
CheckBox chk1 = (CheckBox)sender;
if (chk1.Checked)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox)gr.Cells[4].FindControl("chk2");
chk.Checked = true;
}
}
else
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox)gr.Cells[4].FindControl("chk2");
chk.Checked = false ;
}
}
}
protected void Button2_Click(object sender, EventArgs e)
{
for (int i = 0; i < GridView1.Columns.Count; i++)
{
GridView1.Columns[i].Visible = true;
}
}
protected void Button3_Click(object sender, EventArgs e)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox) gr.Cells[4].FindControl("chk2");//在第4列中寻找对象,并转为Checkbox
if (chk.Checked)
{
gr.BackColor = System.Drawing.Color.Red;
Response.Write(gr.Cells[1].Text);
}
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
}
protected void chk2_CheckedChanged(object sender, EventArgs e)
{
CheckBox chk = (CheckBox)sender;//把对象为Checkbox
DataControlFieldCell dcf = (DataControlFieldCell)chk.Parent;//这个对象的父类为cell
GridViewRow gr = (GridViewRow)dcf.Parent;//cell的父类就是row,这样就得到了该checkbox所在的该行
if (chk.Checked)
{
gr.BackColor = System.Drawing.Color.Green;
}
else
{
gr.BackColor = GridView1.RowStyle.BackColor;
}
}
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='AliceBlue'");
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
}
}
protected void Button4_Click(object sender, EventArgs e)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox)gr.Cells[4].FindControl("chk2");
if (chk.Checked)
{
gr.BackColor = GridView1.RowStyle.BackColor;
}
}
}
}
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Label1.Text = GridView1.PageCount.ToString();
Label2.Text = Convert.ToString( GridView1.PageIndex + 1);
if (!IsPostBack)
{
for (int i = 1; i <= GridView1.Columns.Count; i++)
{
DropDownList1.Items.Add(i.ToString());
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int c = Convert.ToInt32(DropDownList1.SelectedValue) - 1;
GridView1.Columns[c].Visible = false;
}
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
CheckBox chk1 = (CheckBox)sender;
if (chk1.Checked)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox)gr.Cells[4].FindControl("chk2");
chk.Checked = true;
}
}
else
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox)gr.Cells[4].FindControl("chk2");
chk.Checked = false ;
}
}
}
protected void Button2_Click(object sender, EventArgs e)
{
for (int i = 0; i < GridView1.Columns.Count; i++)
{
GridView1.Columns[i].Visible = true;
}
}
protected void Button3_Click(object sender, EventArgs e)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox) gr.Cells[4].FindControl("chk2");//在第4列中寻找对象,并转为Checkbox
if (chk.Checked)
{
gr.BackColor = System.Drawing.Color.Red;
Response.Write(gr.Cells[1].Text);
}
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
}
protected void chk2_CheckedChanged(object sender, EventArgs e)
{
CheckBox chk = (CheckBox)sender;//把对象为Checkbox
DataControlFieldCell dcf = (DataControlFieldCell)chk.Parent;//这个对象的父类为cell
GridViewRow gr = (GridViewRow)dcf.Parent;//cell的父类就是row,这样就得到了该checkbox所在的该行
if (chk.Checked)
{
gr.BackColor = System.Drawing.Color.Green;
}
else
{
gr.BackColor = GridView1.RowStyle.BackColor;
}
}
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='AliceBlue'");
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
}
}
protected void Button4_Click(object sender, EventArgs e)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox chk = (CheckBox)gr.Cells[4].FindControl("chk2");
if (chk.Checked)
{
gr.BackColor = GridView1.RowStyle.BackColor;
}
}
}
}
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