gridview中如何动态隐藏或者显示一列

int i=6;//设为你要隐藏的列号如第7列就设为6this.GridView1.Columns[i].Visible = false;
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Visible='<%# GetVisible(Eval("id"))%>'
public bool GetVisible(object x){return true;};
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C# code
void GridView1_RowCreated(object sender, GridViewRowEventArgs e){   if (e.Row.RowType == DataControlRowType.DataRow ||        e.Row.RowType == DataControlRowType.Header)   {      e.Row.Cells[0].Visible = false; //如果想使第1列不可见,则将它的可见性设为false   }    //可以根据需要设置更多的列}
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代码如下：

前台：
<div>
       <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"  
           DataSourceID="SqlDataSource1">
           <Columns>
               <asp:BoundField DataField="UserType" HeaderText="UserType"  
                   SortExpression="UserType" />
               <asp:BoundField DataField="UserName" HeaderText="UserName"  
                   SortExpression="UserName" />
               <asp:BoundField DataField="AuthType" HeaderText="AuthType"  
                   SortExpression="AuthType" />
              
           </Columns>
       </asp:GridView>
       <asp:SqlDataSource ID="SqlDataSource1" runat="server"  
           ConnectionString="<%$ ConnectionStrings:ReportServerConnectionString %>"  
           SelectCommand="SELECT [UserType], [UserName], [AuthType] FROM [Users]">
       </asp:SqlDataSource>
   </div>

后台：
protected void Page_Load(object sender, EventArgs e)
   {
       //这里可以根据自己的判断来隐藏某列
       this.GridView1.Columns[0].Visible = false;  //把第一列隐藏
   }
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this.GridView1.Columns[i].Visible = false; //隐藏i列

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C# code
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)    {        if (!base.flag)        {            e.Row.Cells[12].Visible = false;            e.Row.Cells[13].Visible = false;            //e.Row.Cells[14].Visible = false;        }    }
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在RowCreated事件下

C# code
if (e.Row.RowType != DataControlRowType.Pager)//如果不是分页列            {              //将GRIDVIEW的第一列隐藏                e.Row.Cells[0].Attributes.Add("style", "display:none;");            }
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控制里面按钮的话- -
C# code
e.Row.Cells[你那个列].FindControl("按钮ID").Visible=false;